Home / 2,787,691.32-3,847,407.24-1,626,520.68

Finding the Fourth Proportional to 2,787,691.32, 3,847,407.24 and 1,626,520.68

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Solution

The fourth proportional to 2,787,691.32, 3,847,407.24 and 1,626,520.68 is: 2,244,827.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,691.32 : 3,847,407.24 = 1,626,520.68 : x
  2. Step 2: Convert to fraction form
    2,787,691.32/3,847,407.24 = 1,626,520.68/x
  3. Step 3: Cross multiply
    2,787,691.32x = 3,847,407.24 × 1,626,520.68
  4. Step 4: Simplify right side
    2,787,691.32x = 6,257,887,440,241.72
  5. Step 5: Solve for x
    x = 6,257,887,440,241.72/2,787,691.32
  6. Step 6: Final answer
    x = 2,244,827.97

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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.