Home / 5,715,676.71-8,561,370.13-3,870,309.80

Finding the Fourth Proportional to 5,715,676.71, 8,561,370.13 and 3,870,309.80

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Solution

The fourth proportional to 5,715,676.71, 8,561,370.13 and 3,870,309.80 is: 5,797,240.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715,676.71 : 8,561,370.13 = 3,870,309.80 : x
  2. Step 2: Convert to fraction form
    5,715,676.71/8,561,370.13 = 3,870,309.80/x
  3. Step 3: Cross multiply
    5,715,676.71x = 8,561,370.13 × 3,870,309.80
  4. Step 4: Simplify right side
    5,715,676.71x = 33,135,154,727,293.93
  5. Step 5: Solve for x
    x = 33,135,154,727,293.93/5,715,676.71
  6. Step 6: Final answer
    x = 5,797,240.89

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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.