Home / 3,200,308.91-4,799,664.22-1,255,432.78

Finding the Fourth Proportional to 3,200,308.91, 4,799,664.22 and 1,255,432.78

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Solution

The fourth proportional to 3,200,308.91, 4,799,664.22 and 1,255,432.78 is: 1,882,835.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,308.91 : 4,799,664.22 = 1,255,432.78 : x
  2. Step 2: Convert to fraction form
    3,200,308.91/4,799,664.22 = 1,255,432.78/x
  3. Step 3: Cross multiply
    3,200,308.91x = 4,799,664.22 × 1,255,432.78
  4. Step 4: Simplify right side
    3,200,308.91x = 6,025,655,794,781.13
  5. Step 5: Solve for x
    x = 6,025,655,794,781.13/3,200,308.91
  6. Step 6: Final answer
    x = 1,882,835.68

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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.