Home / 2,517,905.39-3,777,974.46-1,319,542.79

Finding the Fourth Proportional to 2,517,905.39, 3,777,974.46 and 1,319,542.79

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Solution

The fourth proportional to 2,517,905.39, 3,777,974.46 and 1,319,542.79 is: 1,979,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517,905.39 : 3,777,974.46 = 1,319,542.79 : x
  2. Step 2: Convert to fraction form
    2,517,905.39/3,777,974.46 = 1,319,542.79/x
  3. Step 3: Cross multiply
    2,517,905.39x = 3,777,974.46 × 1,319,542.79
  4. Step 4: Simplify right side
    2,517,905.39x = 4,985,198,940,607.27
  5. Step 5: Solve for x
    x = 4,985,198,940,607.27/2,517,905.39
  6. Step 6: Final answer
    x = 1,979,899.23

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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.