Home / 2,192,149.80-3,287,447.10-772,252.20

Finding the Fourth Proportional to 2,192,149.80, 3,287,447.10 and 772,252.20

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Solution

The fourth proportional to 2,192,149.80, 3,287,447.10 and 772,252.20 is: 1,158,104.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,149.80 : 3,287,447.10 = 772,252.20 : x
  2. Step 2: Convert to fraction form
    2,192,149.80/3,287,447.10 = 772,252.20/x
  3. Step 3: Cross multiply
    2,192,149.80x = 3,287,447.10 × 772,252.20
  4. Step 4: Simplify right side
    2,192,149.80x = 2,538,738,255,358.62
  5. Step 5: Solve for x
    x = 2,538,738,255,358.62/2,192,149.80
  6. Step 6: Final answer
    x = 1,158,104.37

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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.