Home / 2,132,608.82-3,198,913.23-712,664.90

Finding the Fourth Proportional to 2,132,608.82, 3,198,913.23 and 712,664.90

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Solution

The fourth proportional to 2,132,608.82, 3,198,913.23 and 712,664.90 is: 1,068,997.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,608.82 : 3,198,913.23 = 712,664.90 : x
  2. Step 2: Convert to fraction form
    2,132,608.82/3,198,913.23 = 712,664.90/x
  3. Step 3: Cross multiply
    2,132,608.82x = 3,198,913.23 × 712,664.90
  4. Step 4: Simplify right side
    2,132,608.82x = 2,279,753,177,166.63
  5. Step 5: Solve for x
    x = 2,279,753,177,166.63/2,132,608.82
  6. Step 6: Final answer
    x = 1,068,997.35

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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.