Home / 2,517,853.39-3,777,896.40-1,319,490.79

Finding the Fourth Proportional to 2,517,853.39, 3,777,896.40 and 1,319,490.79

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Solution

The fourth proportional to 2,517,853.39, 3,777,896.40 and 1,319,490.79 is: 1,979,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,517,853.39 : 3,777,896.40 = 1,319,490.79 : x
  2. Step 2: Convert to fraction form
    2,517,853.39/3,777,896.40 = 1,319,490.79/x
  3. Step 3: Cross multiply
    2,517,853.39x = 3,777,896.40 × 1,319,490.79
  4. Step 4: Simplify right side
    2,517,853.39x = 4,984,899,505,374.16
  5. Step 5: Solve for x
    x = 4,984,899,505,374.16/2,517,853.39
  6. Step 6: Final answer
    x = 1,979,821.19

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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.