Home / 3,980,087.35-5,491,965.64-2,237,518.56

Finding the Fourth Proportional to 3,980,087.35, 5,491,965.64 and 2,237,518.56

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Solution

The fourth proportional to 3,980,087.35, 5,491,965.64 and 2,237,518.56 is: 3,087,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,980,087.35 : 5,491,965.64 = 2,237,518.56 : x
  2. Step 2: Convert to fraction form
    3,980,087.35/5,491,965.64 = 2,237,518.56/x
  3. Step 3: Cross multiply
    3,980,087.35x = 5,491,965.64 × 2,237,518.56
  4. Step 4: Simplify right side
    3,980,087.35x = 12,288,375,050,382.28
  5. Step 5: Solve for x
    x = 12,288,375,050,382.28/3,980,087.35
  6. Step 6: Final answer
    x = 3,087,463.66

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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.