Home / 2,132,493.77-3,198,905.90-712,554.86

Finding the Fourth Proportional to 2,132,493.77, 3,198,905.90 and 712,554.86

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Solution

The fourth proportional to 2,132,493.77, 3,198,905.90 and 712,554.86 is: 1,068,887.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,493.77 : 3,198,905.90 = 712,554.86 : x
  2. Step 2: Convert to fraction form
    2,132,493.77/3,198,905.90 = 712,554.86/x
  3. Step 3: Cross multiply
    2,132,493.77x = 3,198,905.90 × 712,554.86
  4. Step 4: Simplify right side
    2,132,493.77x = 2,279,395,926,170.37
  5. Step 5: Solve for x
    x = 2,279,395,926,170.37/2,132,493.77
  6. Step 6: Final answer
    x = 1,068,887.50

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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.