Home / 2,132,630.56-3,198,945.79-712,686.61

Finding the Fourth Proportional to 2,132,630.56, 3,198,945.79 and 712,686.61

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Solution

The fourth proportional to 2,132,630.56, 3,198,945.79 and 712,686.61 is: 1,069,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,630.56 : 3,198,945.79 = 712,686.61 : x
  2. Step 2: Convert to fraction form
    2,132,630.56/3,198,945.79 = 712,686.61/x
  3. Step 3: Cross multiply
    2,132,630.56x = 3,198,945.79 × 712,686.61
  4. Step 4: Simplify right side
    2,132,630.56x = 2,279,845,830,648.87
  5. Step 5: Solve for x
    x = 2,279,845,830,648.87/2,132,630.56
  6. Step 6: Final answer
    x = 1,069,029.90

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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.