Home / 6,226,121.40-9,339,182.10-1,738,390.20

Finding the Fourth Proportional to 6,226,121.40, 9,339,182.10 and 1,738,390.20

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Solution

The fourth proportional to 6,226,121.40, 9,339,182.10 and 1,738,390.20 is: 2,607,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,226,121.40 : 9,339,182.10 = 1,738,390.20 : x
  2. Step 2: Convert to fraction form
    6,226,121.40/9,339,182.10 = 1,738,390.20/x
  3. Step 3: Cross multiply
    6,226,121.40x = 9,339,182.10 × 1,738,390.20
  4. Step 4: Simplify right side
    6,226,121.40x = 16,235,142,638,655.42
  5. Step 5: Solve for x
    x = 16,235,142,638,655.42/6,226,121.40
  6. Step 6: Final answer
    x = 2,607,585.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.