Home / 2,132,629.56-3,198,944.30-712,685.61

Finding the Fourth Proportional to 2,132,629.56, 3,198,944.30 and 712,685.61

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Solution

The fourth proportional to 2,132,629.56, 3,198,944.30 and 712,685.61 is: 1,069,028.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,629.56 : 3,198,944.30 = 712,685.61 : x
  2. Step 2: Convert to fraction form
    2,132,629.56/3,198,944.30 = 712,685.61/x
  3. Step 3: Cross multiply
    2,132,629.56x = 3,198,944.30 × 712,685.61
  4. Step 4: Simplify right side
    2,132,629.56x = 2,279,841,550,243.37
  5. Step 5: Solve for x
    x = 2,279,841,550,243.37/2,132,629.56
  6. Step 6: Final answer
    x = 1,069,028.39

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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.