Home / 2,578,229.52-3,867,042.11-872,367.72

Finding the Fourth Proportional to 2,578,229.52, 3,867,042.11 and 872,367.72

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Solution

The fourth proportional to 2,578,229.52, 3,867,042.11 and 872,367.72 is: 1,308,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,229.52 : 3,867,042.11 = 872,367.72 : x
  2. Step 2: Convert to fraction form
    2,578,229.52/3,867,042.11 = 872,367.72/x
  3. Step 3: Cross multiply
    2,578,229.52x = 3,867,042.11 × 872,367.72
  4. Step 4: Simplify right side
    2,578,229.52x = 3,373,482,704,282.85
  5. Step 5: Solve for x
    x = 3,373,482,704,282.85/2,578,229.52
  6. Step 6: Final answer
    x = 1,308,449.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.