Home / 2,485,712.12-3,727,962.30-688,548.92

Finding the Fourth Proportional to 2,485,712.12, 3,727,962.30 and 688,548.92

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Solution

The fourth proportional to 2,485,712.12, 3,727,962.30 and 688,548.92 is: 1,032,655.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,712.12 : 3,727,962.30 = 688,548.92 : x
  2. Step 2: Convert to fraction form
    2,485,712.12/3,727,962.30 = 688,548.92/x
  3. Step 3: Cross multiply
    2,485,712.12x = 3,727,962.30 × 688,548.92
  4. Step 4: Simplify right side
    2,485,712.12x = 2,566,884,415,465.72
  5. Step 5: Solve for x
    x = 2,566,884,415,465.72/2,485,712.12
  6. Step 6: Final answer
    x = 1,032,655.55

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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.