Home / 1,985,255.96-2,976,432.15-636,650.91

Finding the Fourth Proportional to 1,985,255.96, 2,976,432.15 and 636,650.91

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Solution

The fourth proportional to 1,985,255.96, 2,976,432.15 and 636,650.91 is: 954,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,255.96 : 2,976,432.15 = 636,650.91 : x
  2. Step 2: Convert to fraction form
    1,985,255.96/2,976,432.15 = 636,650.91/x
  3. Step 3: Cross multiply
    1,985,255.96x = 2,976,432.15 × 636,650.91
  4. Step 4: Simplify right side
    1,985,255.96x = 1,894,948,246,818.66
  5. Step 5: Solve for x
    x = 1,894,948,246,818.66/1,985,255.96
  6. Step 6: Final answer
    x = 954,510.80

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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.