Home / 3,885,325.44-5,361,815.16-2,143,194.72

Finding the Fourth Proportional to 3,885,325.44, 5,361,815.16 and 2,143,194.72

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Solution

The fourth proportional to 3,885,325.44, 5,361,815.16 and 2,143,194.72 is: 2,957,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,325.44 : 5,361,815.16 = 2,143,194.72 : x
  2. Step 2: Convert to fraction form
    3,885,325.44/5,361,815.16 = 2,143,194.72/x
  3. Step 3: Cross multiply
    3,885,325.44x = 5,361,815.16 × 2,143,194.72
  4. Step 4: Simplify right side
    3,885,325.44x = 11,491,413,940,527.96
  5. Step 5: Solve for x
    x = 11,491,413,940,527.96/3,885,325.44
  6. Step 6: Final answer
    x = 2,957,645.15

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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.