Home / 5,921,275.87-8,170,976.33-3,440,276.78

Finding the Fourth Proportional to 5,921,275.87, 8,170,976.33 and 3,440,276.78

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Solution

The fourth proportional to 5,921,275.87, 8,170,976.33 and 3,440,276.78 is: 4,747,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921,275.87 : 8,170,976.33 = 3,440,276.78 : x
  2. Step 2: Convert to fraction form
    5,921,275.87/8,170,976.33 = 3,440,276.78/x
  3. Step 3: Cross multiply
    5,921,275.87x = 8,170,976.33 × 3,440,276.78
  4. Step 4: Simplify right side
    5,921,275.87x = 28,110,420,138,028.62
  5. Step 5: Solve for x
    x = 28,110,420,138,028.62/5,921,275.87
  6. Step 6: Final answer
    x = 4,747,358.64

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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.