Home / 2,493,781.05-3,740,128.60-672,103.47

Finding the Fourth Proportional to 2,493,781.05, 3,740,128.60 and 672,103.47

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Solution

The fourth proportional to 2,493,781.05, 3,740,128.60 and 672,103.47 is: 1,008,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493,781.05 : 3,740,128.60 = 672,103.47 : x
  2. Step 2: Convert to fraction form
    2,493,781.05/3,740,128.60 = 672,103.47/x
  3. Step 3: Cross multiply
    2,493,781.05x = 3,740,128.60 × 672,103.47
  4. Step 4: Simplify right side
    2,493,781.05x = 2,513,753,410,306.24
  5. Step 5: Solve for x
    x = 2,513,753,410,306.24/2,493,781.05
  6. Step 6: Final answer
    x = 1,008,008.87

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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.