Home / 2,132,388.86-3,198,751.58-712,449.95

Finding the Fourth Proportional to 2,132,388.86, 3,198,751.58 and 712,449.95

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Solution

The fourth proportional to 2,132,388.86, 3,198,751.58 and 712,449.95 is: 1,068,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,388.86 : 3,198,751.58 = 712,449.95 : x
  2. Step 2: Convert to fraction form
    2,132,388.86/3,198,751.58 = 712,449.95/x
  3. Step 3: Cross multiply
    2,132,388.86x = 3,198,751.58 × 712,449.95
  4. Step 4: Simplify right side
    2,132,388.86x = 2,278,950,407,668.05
  5. Step 5: Solve for x
    x = 2,278,950,407,668.05/2,132,388.86
  6. Step 6: Final answer
    x = 1,068,731.15

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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.