Home / 2,996,747.60-4,495,121.40-866,901.20

Finding the Fourth Proportional to 2,996,747.60, 4,495,121.40 and 866,901.20

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Solution

The fourth proportional to 2,996,747.60, 4,495,121.40 and 866,901.20 is: 1,300,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996,747.60 : 4,495,121.40 = 866,901.20 : x
  2. Step 2: Convert to fraction form
    2,996,747.60/4,495,121.40 = 866,901.20/x
  3. Step 3: Cross multiply
    2,996,747.60x = 4,495,121.40 × 866,901.20
  4. Step 4: Simplify right side
    2,996,747.60x = 3,896,826,135,805.68
  5. Step 5: Solve for x
    x = 3,896,826,135,805.68/2,996,747.60
  6. Step 6: Final answer
    x = 1,300,351.80

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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.