Home / 5,255,109.57-7,878,879.47-3,229,167.09

Finding the Fourth Proportional to 5,255,109.57, 7,878,879.47 and 3,229,167.09

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Solution

The fourth proportional to 5,255,109.57, 7,878,879.47 and 3,229,167.09 is: 4,841,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,255,109.57 : 7,878,879.47 = 3,229,167.09 : x
  2. Step 2: Convert to fraction form
    5,255,109.57/7,878,879.47 = 3,229,167.09/x
  3. Step 3: Cross multiply
    5,255,109.57x = 7,878,879.47 × 3,229,167.09
  4. Step 4: Simplify right side
    5,255,109.57x = 25,442,218,298,673.56
  5. Step 5: Solve for x
    x = 25,442,218,298,673.56/5,255,109.57
  6. Step 6: Final answer
    x = 4,841,424.90

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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.