Home / 2,214,407.40-3,321,438.30-866,308.20

Finding the Fourth Proportional to 2,214,407.40, 3,321,438.30 and 866,308.20

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Solution

The fourth proportional to 2,214,407.40, 3,321,438.30 and 866,308.20 is: 1,299,394.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,407.40 : 3,321,438.30 = 866,308.20 : x
  2. Step 2: Convert to fraction form
    2,214,407.40/3,321,438.30 = 866,308.20/x
  3. Step 3: Cross multiply
    2,214,407.40x = 3,321,438.30 × 866,308.20
  4. Step 4: Simplify right side
    2,214,407.40x = 2,877,389,235,084.06
  5. Step 5: Solve for x
    x = 2,877,389,235,084.06/2,214,407.40
  6. Step 6: Final answer
    x = 1,299,394.70

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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.