Home / 3,969,198.58-5,480,579.36-3,049,978.78

Finding the Fourth Proportional to 3,969,198.58, 5,480,579.36 and 3,049,978.78

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Solution

The fourth proportional to 3,969,198.58, 5,480,579.36 and 3,049,978.78 is: 4,211,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,198.58 : 5,480,579.36 = 3,049,978.78 : x
  2. Step 2: Convert to fraction form
    3,969,198.58/5,480,579.36 = 3,049,978.78/x
  3. Step 3: Cross multiply
    3,969,198.58x = 5,480,579.36 × 3,049,978.78
  4. Step 4: Simplify right side
    3,969,198.58x = 16,715,650,750,105.98
  5. Step 5: Solve for x
    x = 16,715,650,750,105.98/3,969,198.58
  6. Step 6: Final answer
    x = 4,211,341.51

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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.