Home / 3,608,377.25-4,979,560.19-2,158,072.47

Finding the Fourth Proportional to 3,608,377.25, 4,979,560.19 and 2,158,072.47

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Solution

The fourth proportional to 3,608,377.25, 4,979,560.19 and 2,158,072.47 is: 2,978,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,377.25 : 4,979,560.19 = 2,158,072.47 : x
  2. Step 2: Convert to fraction form
    3,608,377.25/4,979,560.19 = 2,158,072.47/x
  3. Step 3: Cross multiply
    3,608,377.25x = 4,979,560.19 × 2,158,072.47
  4. Step 4: Simplify right side
    3,608,377.25x = 10,746,251,747,956.61
  5. Step 5: Solve for x
    x = 10,746,251,747,956.61/3,608,377.25
  6. Step 6: Final answer
    x = 2,978,139.76

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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.