Home / 6,172,169.88-8,517,406.86-3,418,748.76

Finding the Fourth Proportional to 6,172,169.88, 8,517,406.86 and 3,418,748.76

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Solution

The fourth proportional to 6,172,169.88, 8,517,406.86 and 3,418,748.76 is: 4,717,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,169.88 : 8,517,406.86 = 3,418,748.76 : x
  2. Step 2: Convert to fraction form
    6,172,169.88/8,517,406.86 = 3,418,748.76/x
  3. Step 3: Cross multiply
    6,172,169.88x = 8,517,406.86 × 3,418,748.76
  4. Step 4: Simplify right side
    6,172,169.88x = 29,118,874,141,040.49
  5. Step 5: Solve for x
    x = 29,118,874,141,040.49/6,172,169.88
  6. Step 6: Final answer
    x = 4,717,769.39

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1.5x scale

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.