Home / 6,520,918.20-9,781,377.30-4,253,436.60

Finding the Fourth Proportional to 6,520,918.20, 9,781,377.30 and 4,253,436.60

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Solution

The fourth proportional to 6,520,918.20, 9,781,377.30 and 4,253,436.60 is: 6,380,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,918.20 : 9,781,377.30 = 4,253,436.60 : x
  2. Step 2: Convert to fraction form
    6,520,918.20/9,781,377.30 = 4,253,436.60/x
  3. Step 3: Cross multiply
    6,520,918.20x = 9,781,377.30 × 4,253,436.60
  4. Step 4: Simplify right side
    6,520,918.20x = 41,604,468,206,229.18
  5. Step 5: Solve for x
    x = 41,604,468,206,229.18/6,520,918.20
  6. Step 6: Final answer
    x = 6,380,154.90

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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.