Home / 2,172,737.57-2,997,013.68-1,399,370.63

Finding the Fourth Proportional to 2,172,737.57, 2,997,013.68 and 1,399,370.63

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Solution

The fourth proportional to 2,172,737.57, 2,997,013.68 and 1,399,370.63 is: 1,930,252.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,737.57 : 2,997,013.68 = 1,399,370.63 : x
  2. Step 2: Convert to fraction form
    2,172,737.57/2,997,013.68 = 1,399,370.63/x
  3. Step 3: Cross multiply
    2,172,737.57x = 2,997,013.68 × 1,399,370.63
  4. Step 4: Simplify right side
    2,172,737.57x = 4,193,932,906,515.15
  5. Step 5: Solve for x
    x = 4,193,932,906,515.15/2,172,737.57
  6. Step 6: Final answer
    x = 1,930,252.86

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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.