Home / 3,930,722.17-5,424,517.29-2,140,645.57

Finding the Fourth Proportional to 3,930,722.17, 5,424,517.29 and 2,140,645.57

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Solution

The fourth proportional to 3,930,722.17, 5,424,517.29 and 2,140,645.57 is: 2,954,156.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,930,722.17 : 5,424,517.29 = 2,140,645.57 : x
  2. Step 2: Convert to fraction form
    3,930,722.17/5,424,517.29 = 2,140,645.57/x
  3. Step 3: Cross multiply
    3,930,722.17x = 5,424,517.29 × 2,140,645.57
  4. Step 4: Simplify right side
    3,930,722.17x = 11,611,968,906,226.90
  5. Step 5: Solve for x
    x = 11,611,968,906,226.90/3,930,722.17
  6. Step 6: Final answer
    x = 2,954,156.62

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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.