Home / 3,909,478.91-5,391,882-2,751,757.65

Finding the Fourth Proportional to 3,909,478.91, 5,391,882 and 2,751,757.65

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Solution

The fourth proportional to 3,909,478.91, 5,391,882 and 2,751,757.65 is: 3,795,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,909,478.91 : 5,391,882 = 2,751,757.65 : x
  2. Step 2: Convert to fraction form
    3,909,478.91/5,391,882 = 2,751,757.65/x
  3. Step 3: Cross multiply
    3,909,478.91x = 5,391,882 × 2,751,757.65
  4. Step 4: Simplify right side
    3,909,478.91x = 14,837,152,541,397.30
  5. Step 5: Solve for x
    x = 14,837,152,541,397.30/3,909,478.91
  6. Step 6: Final answer
    x = 3,795,173.96

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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.