Home / 3,861,522.22-5,328,900.67-2,142,919.30

Finding the Fourth Proportional to 3,861,522.22, 5,328,900.67 and 2,142,919.30

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Solution

The fourth proportional to 3,861,522.22, 5,328,900.67 and 2,142,919.30 is: 2,957,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,522.22 : 5,328,900.67 = 2,142,919.30 : x
  2. Step 2: Convert to fraction form
    3,861,522.22/5,328,900.67 = 2,142,919.30/x
  3. Step 3: Cross multiply
    3,861,522.22x = 5,328,900.67 × 2,142,919.30
  4. Step 4: Simplify right side
    3,861,522.22x = 11,419,404,068,872.66
  5. Step 5: Solve for x
    x = 11,419,404,068,872.66/3,861,522.22
  6. Step 6: Final answer
    x = 2,957,228.63

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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.