Home / 3,747,680.11-5,171,815.32-2,028,800.62

Finding the Fourth Proportional to 3,747,680.11, 5,171,815.32 and 2,028,800.62

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Solution

The fourth proportional to 3,747,680.11, 5,171,815.32 and 2,028,800.62 is: 2,799,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,680.11 : 5,171,815.32 = 2,028,800.62 : x
  2. Step 2: Convert to fraction form
    3,747,680.11/5,171,815.32 = 2,028,800.62/x
  3. Step 3: Cross multiply
    3,747,680.11x = 5,171,815.32 × 2,028,800.62
  4. Step 4: Simplify right side
    3,747,680.11x = 10,492,582,138,010.27
  5. Step 5: Solve for x
    x = 10,492,582,138,010.27/3,747,680.11
  6. Step 6: Final answer
    x = 2,799,753.94

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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.