Home / 3,608,372.62-4,979,553.80-2,158,067.82

Finding the Fourth Proportional to 3,608,372.62, 4,979,553.80 and 2,158,067.82

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Solution

The fourth proportional to 3,608,372.62, 4,979,553.80 and 2,158,067.82 is: 2,978,133.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608,372.62 : 4,979,553.80 = 2,158,067.82 : x
  2. Step 2: Convert to fraction form
    3,608,372.62/4,979,553.80 = 2,158,067.82/x
  3. Step 3: Cross multiply
    3,608,372.62x = 4,979,553.80 × 2,158,067.82
  4. Step 4: Simplify right side
    3,608,372.62x = 10,746,214,813,738.71
  5. Step 5: Solve for x
    x = 10,746,214,813,738.71/3,608,372.62
  6. Step 6: Final answer
    x = 2,978,133.34

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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.