Home / 2,678,907.15-3,696,785.80-1,591,149.85

Finding the Fourth Proportional to 2,678,907.15, 3,696,785.80 and 1,591,149.85

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Solution

The fourth proportional to 2,678,907.15, 3,696,785.80 and 1,591,149.85 is: 2,195,723.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,907.15 : 3,696,785.80 = 1,591,149.85 : x
  2. Step 2: Convert to fraction form
    2,678,907.15/3,696,785.80 = 1,591,149.85/x
  3. Step 3: Cross multiply
    2,678,907.15x = 3,696,785.80 × 1,591,149.85
  4. Step 4: Simplify right side
    2,678,907.15x = 5,882,140,157,932.29
  5. Step 5: Solve for x
    x = 5,882,140,157,932.29/2,678,907.15
  6. Step 6: Final answer
    x = 2,195,723.79

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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.