Home / 3,861,023.30-5,328,851.73-2,142,695.78

Finding the Fourth Proportional to 3,861,023.30, 5,328,851.73 and 2,142,695.78

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Solution

The fourth proportional to 3,861,023.30, 5,328,851.73 and 2,142,695.78 is: 2,957,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,023.30 : 5,328,851.73 = 2,142,695.78 : x
  2. Step 2: Convert to fraction form
    3,861,023.30/5,328,851.73 = 2,142,695.78/x
  3. Step 3: Cross multiply
    3,861,023.30x = 5,328,851.73 × 2,142,695.78
  4. Step 4: Simplify right side
    3,861,023.30x = 11,418,108,114,116.70
  5. Step 5: Solve for x
    x = 11,418,108,114,116.70/3,861,023.30
  6. Step 6: Final answer
    x = 2,957,275.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.