Home / 3,963,087.78-5,469,089.15-2,152,251.78

Finding the Fourth Proportional to 3,963,087.78, 5,469,089.15 and 2,152,251.78

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Solution

The fourth proportional to 3,963,087.78, 5,469,089.15 and 2,152,251.78 is: 2,970,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963,087.78 : 5,469,089.15 = 2,152,251.78 : x
  2. Step 2: Convert to fraction form
    3,963,087.78/5,469,089.15 = 2,152,251.78/x
  3. Step 3: Cross multiply
    3,963,087.78x = 5,469,089.15 × 2,152,251.78
  4. Step 4: Simplify right side
    3,963,087.78x = 11,770,856,847,304.93
  5. Step 5: Solve for x
    x = 11,770,856,847,304.93/3,963,087.78
  6. Step 6: Final answer
    x = 2,970,122.67

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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.