Home / 2,660,037.97-3,990,618.03-862,781.86

Finding the Fourth Proportional to 2,660,037.97, 3,990,618.03 and 862,781.86

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Solution

The fourth proportional to 2,660,037.97, 3,990,618.03 and 862,781.86 is: 1,294,354.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,037.97 : 3,990,618.03 = 862,781.86 : x
  2. Step 2: Convert to fraction form
    2,660,037.97/3,990,618.03 = 862,781.86/x
  3. Step 3: Cross multiply
    2,660,037.97x = 3,990,618.03 × 862,781.86
  4. Step 4: Simplify right side
    2,660,037.97x = 3,443,032,846,472.94
  5. Step 5: Solve for x
    x = 3,443,032,846,472.94/2,660,037.97
  6. Step 6: Final answer
    x = 1,294,354.77

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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.