Home / 3,976,542.30-5,487,690.87-2,165,704.86

Finding the Fourth Proportional to 3,976,542.30, 5,487,690.87 and 2,165,704.86

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Solution

The fourth proportional to 3,976,542.30, 5,487,690.87 and 2,165,704.86 is: 2,988,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,542.30 : 5,487,690.87 = 2,165,704.86 : x
  2. Step 2: Convert to fraction form
    3,976,542.30/5,487,690.87 = 2,165,704.86/x
  3. Step 3: Cross multiply
    3,976,542.30x = 5,487,690.87 × 2,165,704.86
  4. Step 4: Simplify right side
    3,976,542.30x = 11,884,718,787,336.63
  5. Step 5: Solve for x
    x = 11,884,718,787,336.63/3,976,542.30
  6. Step 6: Final answer
    x = 2,988,706.74

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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.