Home / 5,165,919.31-7,129,034.22-2,843,079.27

Finding the Fourth Proportional to 5,165,919.31, 7,129,034.22 and 2,843,079.27

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Solution

The fourth proportional to 5,165,919.31, 7,129,034.22 and 2,843,079.27 is: 3,923,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165,919.31 : 7,129,034.22 = 2,843,079.27 : x
  2. Step 2: Convert to fraction form
    5,165,919.31/7,129,034.22 = 2,843,079.27/x
  3. Step 3: Cross multiply
    5,165,919.31x = 7,129,034.22 × 2,843,079.27
  4. Step 4: Simplify right side
    5,165,919.31x = 20,268,409,406,002.62
  5. Step 5: Solve for x
    x = 20,268,409,406,002.62/5,165,919.31
  6. Step 6: Final answer
    x = 3,923,485.48

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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.