Home / 2,132,629.56-3,198,944.28-712,685.60

Finding the Fourth Proportional to 2,132,629.56, 3,198,944.28 and 712,685.60

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Solution

The fourth proportional to 2,132,629.56, 3,198,944.28 and 712,685.60 is: 1,069,028.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,629.56 : 3,198,944.28 = 712,685.60 : x
  2. Step 2: Convert to fraction form
    2,132,629.56/3,198,944.28 = 712,685.60/x
  3. Step 3: Cross multiply
    2,132,629.56x = 3,198,944.28 × 712,685.60
  4. Step 4: Simplify right side
    2,132,629.56x = 2,279,841,523,558.37
  5. Step 5: Solve for x
    x = 2,279,841,523,558.37/2,132,629.56
  6. Step 6: Final answer
    x = 1,069,028.38

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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.