Home / 6,639,791.72-9,162,933.26-3,849,458.85

Finding the Fourth Proportional to 6,639,791.72, 9,162,933.26 and 3,849,458.85

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Solution

The fourth proportional to 6,639,791.72, 9,162,933.26 and 3,849,458.85 is: 5,312,265.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,791.72 : 9,162,933.26 = 3,849,458.85 : x
  2. Step 2: Convert to fraction form
    6,639,791.72/9,162,933.26 = 3,849,458.85/x
  3. Step 3: Cross multiply
    6,639,791.72x = 9,162,933.26 × 3,849,458.85
  4. Step 4: Simplify right side
    6,639,791.72x = 35,272,334,510,419.06
  5. Step 5: Solve for x
    x = 35,272,334,510,419.06/6,639,791.72
  6. Step 6: Final answer
    x = 5,312,265.21

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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.