Home / 3,870,757.62-5,341,827.78-2,151,906.84

Finding the Fourth Proportional to 3,870,757.62, 5,341,827.78 and 2,151,906.84

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Solution

The fourth proportional to 3,870,757.62, 5,341,827.78 and 2,151,906.84 is: 2,969,732.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,757.62 : 5,341,827.78 = 2,151,906.84 : x
  2. Step 2: Convert to fraction form
    3,870,757.62/5,341,827.78 = 2,151,906.84/x
  3. Step 3: Cross multiply
    3,870,757.62x = 5,341,827.78 × 2,151,906.84
  4. Step 4: Simplify right side
    3,870,757.62x = 11,495,115,737,884.02
  5. Step 5: Solve for x
    x = 11,495,115,737,884.02/3,870,757.62
  6. Step 6: Final answer
    x = 2,969,732.77

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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.