Home / 6,639,716.88-9,959,928.41-2,091,121.38

Finding the Fourth Proportional to 6,639,716.88, 9,959,928.41 and 2,091,121.38

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Solution

The fourth proportional to 6,639,716.88, 9,959,928.41 and 2,091,121.38 is: 3,136,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639,716.88 : 9,959,928.41 = 2,091,121.38 : x
  2. Step 2: Convert to fraction form
    6,639,716.88/9,959,928.41 = 2,091,121.38/x
  3. Step 3: Cross multiply
    6,639,716.88x = 9,959,928.41 × 2,091,121.38
  4. Step 4: Simplify right side
    6,639,716.88x = 20,827,419,246,648.21
  5. Step 5: Solve for x
    x = 20,827,419,246,648.21/6,639,716.88
  6. Step 6: Final answer
    x = 3,136,793.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.