Home / 2,132,608.40-3,198,912.59-712,664.47

Finding the Fourth Proportional to 2,132,608.40, 3,198,912.59 and 712,664.47

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Solution

The fourth proportional to 2,132,608.40, 3,198,912.59 and 712,664.47 is: 1,068,996.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,608.40 : 3,198,912.59 = 712,664.47 : x
  2. Step 2: Convert to fraction form
    2,132,608.40/3,198,912.59 = 712,664.47/x
  3. Step 3: Cross multiply
    2,132,608.40x = 3,198,912.59 × 712,664.47
  4. Step 4: Simplify right side
    2,132,608.40x = 2,279,751,357,306.94
  5. Step 5: Solve for x
    x = 2,279,751,357,306.94/2,132,608.40
  6. Step 6: Final answer
    x = 1,068,996.71

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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.