Home / 3,942,172.38-5,439,872.04-2,223,715.26

Finding the Fourth Proportional to 3,942,172.38, 5,439,872.04 and 2,223,715.26

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Solution

The fourth proportional to 3,942,172.38, 5,439,872.04 and 2,223,715.26 is: 3,068,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,172.38 : 5,439,872.04 = 2,223,715.26 : x
  2. Step 2: Convert to fraction form
    3,942,172.38/5,439,872.04 = 2,223,715.26/x
  3. Step 3: Cross multiply
    3,942,172.38x = 5,439,872.04 × 2,223,715.26
  4. Step 4: Simplify right side
    3,942,172.38x = 12,096,726,467,795.33
  5. Step 5: Solve for x
    x = 12,096,726,467,795.33/3,942,172.38
  6. Step 6: Final answer
    x = 3,068,543.26

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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.