Home / 3,678,044.88-5,072,821.80-2,517,179.28

Finding the Fourth Proportional to 3,678,044.88, 5,072,821.80 and 2,517,179.28

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Solution

The fourth proportional to 3,678,044.88, 5,072,821.80 and 2,517,179.28 is: 3,471,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,044.88 : 5,072,821.80 = 2,517,179.28 : x
  2. Step 2: Convert to fraction form
    3,678,044.88/5,072,821.80 = 2,517,179.28/x
  3. Step 3: Cross multiply
    3,678,044.88x = 5,072,821.80 × 2,517,179.28
  4. Step 4: Simplify right side
    3,678,044.88x = 12,769,201,926,092.30
  5. Step 5: Solve for x
    x = 12,769,201,926,092.30/3,678,044.88
  6. Step 6: Final answer
    x = 3,471,736.30

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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.