Home / 3,120,000.57-4,680,503.75-961,024.68

Finding the Fourth Proportional to 3,120,000.57, 4,680,503.75 and 961,024.68

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Solution

The fourth proportional to 3,120,000.57, 4,680,503.75 and 961,024.68 is: 1,441,691.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,000.57 : 4,680,503.75 = 961,024.68 : x
  2. Step 2: Convert to fraction form
    3,120,000.57/4,680,503.75 = 961,024.68/x
  3. Step 3: Cross multiply
    3,120,000.57x = 4,680,503.75 × 961,024.68
  4. Step 4: Simplify right side
    3,120,000.57x = 4,498,079,618,582.55
  5. Step 5: Solve for x
    x = 4,498,079,618,582.55/3,120,000.57
  6. Step 6: Final answer
    x = 1,441,691.92

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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.