Home / 2,485,067.90-3,727,665.26-687,966.87

Finding the Fourth Proportional to 2,485,067.90, 3,727,665.26 and 687,966.87

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Solution

The fourth proportional to 2,485,067.90, 3,727,665.26 and 687,966.87 is: 1,031,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,067.90 : 3,727,665.26 = 687,966.87 : x
  2. Step 2: Convert to fraction form
    2,485,067.90/3,727,665.26 = 687,966.87/x
  3. Step 3: Cross multiply
    2,485,067.90x = 3,727,665.26 × 687,966.87
  4. Step 4: Simplify right side
    2,485,067.90x = 2,564,510,193,480.61
  5. Step 5: Solve for x
    x = 2,564,510,193,480.61/2,485,067.90
  6. Step 6: Final answer
    x = 1,031,967.86

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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.