Home / 3,940,346.17-5,435,610.06-3,206,120.29

Finding the Fourth Proportional to 3,940,346.17, 5,435,610.06 and 3,206,120.29

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Solution

The fourth proportional to 3,940,346.17, 5,435,610.06 and 3,206,120.29 is: 4,422,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,940,346.17 : 5,435,610.06 = 3,206,120.29 : x
  2. Step 2: Convert to fraction form
    3,940,346.17/5,435,610.06 = 3,206,120.29/x
  3. Step 3: Cross multiply
    3,940,346.17x = 5,435,610.06 × 3,206,120.29
  4. Step 4: Simplify right side
    3,940,346.17x = 17,427,219,723,498.44
  5. Step 5: Solve for x
    x = 17,427,219,723,498.44/3,940,346.17
  6. Step 6: Final answer
    x = 4,422,763.63

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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.