Home / 2,187,046.20-3,280,569.30-766,589.70

Finding the Fourth Proportional to 2,187,046.20, 3,280,569.30 and 766,589.70

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Solution

The fourth proportional to 2,187,046.20, 3,280,569.30 and 766,589.70 is: 1,149,884.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,046.20 : 3,280,569.30 = 766,589.70 : x
  2. Step 2: Convert to fraction form
    2,187,046.20/3,280,569.30 = 766,589.70/x
  3. Step 3: Cross multiply
    2,187,046.20x = 3,280,569.30 × 766,589.70
  4. Step 4: Simplify right side
    2,187,046.20x = 2,514,850,635,516.21
  5. Step 5: Solve for x
    x = 2,514,850,635,516.21/2,187,046.20
  6. Step 6: Final answer
    x = 1,149,884.55

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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.