Home / 3,290,974.38-4,539,716.82-1,914,163.11

Finding the Fourth Proportional to 3,290,974.38, 4,539,716.82 and 1,914,163.11

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Solution

The fourth proportional to 3,290,974.38, 4,539,716.82 and 1,914,163.11 is: 2,640,481.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,290,974.38 : 4,539,716.82 = 1,914,163.11 : x
  2. Step 2: Convert to fraction form
    3,290,974.38/4,539,716.82 = 1,914,163.11/x
  3. Step 3: Cross multiply
    3,290,974.38x = 4,539,716.82 × 1,914,163.11
  4. Step 4: Simplify right side
    3,290,974.38x = 8,689,758,466,690.51
  5. Step 5: Solve for x
    x = 8,689,758,466,690.51/3,290,974.38
  6. Step 6: Final answer
    x = 2,640,481.96

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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.