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Finding the Fourth Proportional to 2,214,674.20, 3,102,643.40 and 2,214,674.20

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Solution

The fourth proportional to 2,214,674.20, 3,102,643.40 and 2,214,674.20 is: 3,102,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,674.20 : 3,102,643.40 = 2,214,674.20 : x
  2. Step 2: Convert to fraction form
    2,214,674.20/3,102,643.40 = 2,214,674.20/x
  3. Step 3: Cross multiply
    2,214,674.20x = 3,102,643.40 × 2,214,674.20
  4. Step 4: Simplify right side
    2,214,674.20x = 6,871,344,289,780.28
  5. Step 5: Solve for x
    x = 6,871,344,289,780.28/2,214,674.20
  6. Step 6: Final answer
    x = 3,102,643.40

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Double scale
Find fourth proportional to 2,214,675.20, 3,102,644.80 and 2,214,675.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.