Home / 3,947,154.52-5,447,179.38-2,397,889.12

Finding the Fourth Proportional to 3,947,154.52, 5,447,179.38 and 2,397,889.12

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Solution

The fourth proportional to 3,947,154.52, 5,447,179.38 and 2,397,889.12 is: 3,309,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,154.52 : 5,447,179.38 = 2,397,889.12 : x
  2. Step 2: Convert to fraction form
    3,947,154.52/5,447,179.38 = 2,397,889.12/x
  3. Step 3: Cross multiply
    3,947,154.52x = 5,447,179.38 × 2,397,889.12
  4. Step 4: Simplify right side
    3,947,154.52x = 13,061,732,169,990.35
  5. Step 5: Solve for x
    x = 13,061,732,169,990.35/3,947,154.52
  6. Step 6: Final answer
    x = 3,309,151.47

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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.