Home / 3,942,173.88-5,439,874.11-2,223,716.76

Finding the Fourth Proportional to 3,942,173.88, 5,439,874.11 and 2,223,716.76

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Solution

The fourth proportional to 3,942,173.88, 5,439,874.11 and 2,223,716.76 is: 3,068,545.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,173.88 : 5,439,874.11 = 2,223,716.76 : x
  2. Step 2: Convert to fraction form
    3,942,173.88/5,439,874.11 = 2,223,716.76/x
  3. Step 3: Cross multiply
    3,942,173.88x = 5,439,874.11 × 2,223,716.76
  4. Step 4: Simplify right side
    3,942,173.88x = 12,096,739,230,697.08
  5. Step 5: Solve for x
    x = 12,096,739,230,697.08/3,942,173.88
  6. Step 6: Final answer
    x = 3,068,545.33

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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.