Home / 6,126,839.88-9,191,257.28-1,809,326.78

Finding the Fourth Proportional to 6,126,839.88, 9,191,257.28 and 1,809,326.78

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Solution

The fourth proportional to 6,126,839.88, 9,191,257.28 and 1,809,326.78 is: 2,714,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126,839.88 : 9,191,257.28 = 1,809,326.78 : x
  2. Step 2: Convert to fraction form
    6,126,839.88/9,191,257.28 = 1,809,326.78/x
  3. Step 3: Cross multiply
    6,126,839.88x = 9,191,257.28 × 1,809,326.78
  4. Step 4: Simplify right side
    6,126,839.88x = 16,629,987,952,505.47
  5. Step 5: Solve for x
    x = 16,629,987,952,505.47/6,126,839.88
  6. Step 6: Final answer
    x = 2,714,284.73

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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.