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Finding the Fourth Proportional to 3,836,197.92, 5,752,460.88 and 1,812,753.12

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Solution

The fourth proportional to 3,836,197.92, 5,752,460.88 and 1,812,753.12 is: 2,718,262.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836,197.92 : 5,752,460.88 = 1,812,753.12 : x
  2. Step 2: Convert to fraction form
    3,836,197.92/5,752,460.88 = 1,812,753.12/x
  3. Step 3: Cross multiply
    3,836,197.92x = 5,752,460.88 × 1,812,753.12
  4. Step 4: Simplify right side
    3,836,197.92x = 10,427,791,407,897.95
  5. Step 5: Solve for x
    x = 10,427,791,407,897.95/3,836,197.92
  6. Step 6: Final answer
    x = 2,718,262.10

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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.