Home / 3,640,471.54-5,023,819.11-1,986,651.38

Finding the Fourth Proportional to 3,640,471.54, 5,023,819.11 and 1,986,651.38

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Solution

The fourth proportional to 3,640,471.54, 5,023,819.11 and 1,986,651.38 is: 2,741,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640,471.54 : 5,023,819.11 = 1,986,651.38 : x
  2. Step 2: Convert to fraction form
    3,640,471.54/5,023,819.11 = 1,986,651.38/x
  3. Step 3: Cross multiply
    3,640,471.54x = 5,023,819.11 × 1,986,651.38
  4. Step 4: Simplify right side
    3,640,471.54x = 9,980,577,162,068.29
  5. Step 5: Solve for x
    x = 9,980,577,162,068.29/3,640,471.54
  6. Step 6: Final answer
    x = 2,741,561.65

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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.