Home / 3,613,616.05-5,427,163.68-3,181,486.72

Finding the Fourth Proportional to 3,613,616.05, 5,427,163.68 and 3,181,486.72

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Solution

The fourth proportional to 3,613,616.05, 5,427,163.68 and 3,181,486.72 is: 4,778,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,616.05 : 5,427,163.68 = 3,181,486.72 : x
  2. Step 2: Convert to fraction form
    3,613,616.05/5,427,163.68 = 3,181,486.72/x
  3. Step 3: Cross multiply
    3,613,616.05x = 5,427,163.68 × 3,181,486.72
  4. Step 4: Simplify right side
    3,613,616.05x = 17,266,449,132,143.08
  5. Step 5: Solve for x
    x = 17,266,449,132,143.08/3,613,616.05
  6. Step 6: Final answer
    x = 4,778,163.73

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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.