Home / 3,940,346.92-5,435,611.10-3,206,121.04

Finding the Fourth Proportional to 3,940,346.92, 5,435,611.10 and 3,206,121.04

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Solution

The fourth proportional to 3,940,346.92, 5,435,611.10 and 3,206,121.04 is: 4,422,764.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,346.92 : 5,435,611.10 = 3,206,121.04 : x
  2. Step 2: Convert to fraction form
    3,940,346.92/5,435,611.10 = 3,206,121.04/x
  3. Step 3: Cross multiply
    3,940,346.92x = 5,435,611.10 × 3,206,121.04
  4. Step 4: Simplify right side
    3,940,346.92x = 17,427,227,112,967.54
  5. Step 5: Solve for x
    x = 17,427,227,112,967.54/3,940,346.92
  6. Step 6: Final answer
    x = 4,422,764.66

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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.