Home / 5,420,645.65-7,489,277.55-4,613,380.21

Finding the Fourth Proportional to 5,420,645.65, 7,489,277.55 and 4,613,380.21

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Solution

The fourth proportional to 5,420,645.65, 7,489,277.55 and 4,613,380.21 is: 6,373,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,645.65 : 7,489,277.55 = 4,613,380.21 : x
  2. Step 2: Convert to fraction form
    5,420,645.65/7,489,277.55 = 4,613,380.21/x
  3. Step 3: Cross multiply
    5,420,645.65x = 7,489,277.55 × 4,613,380.21
  4. Step 4: Simplify right side
    5,420,645.65x = 34,550,884,836,367.29
  5. Step 5: Solve for x
    x = 34,550,884,836,367.29/5,420,645.65
  6. Step 6: Final answer
    x = 6,373,942.71

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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.