Home / 5,222,921.90-7,834,742.76-2,187,231.26

Finding the Fourth Proportional to 5,222,921.90, 7,834,742.76 and 2,187,231.26

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Solution

The fourth proportional to 5,222,921.90, 7,834,742.76 and 2,187,231.26 is: 3,280,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,222,921.90 : 7,834,742.76 = 2,187,231.26 : x
  2. Step 2: Convert to fraction form
    5,222,921.90/7,834,742.76 = 2,187,231.26/x
  3. Step 3: Cross multiply
    5,222,921.90x = 7,834,742.76 × 2,187,231.26
  4. Step 4: Simplify right side
    5,222,921.90x = 17,136,394,278,730.68
  5. Step 5: Solve for x
    x = 17,136,394,278,730.68/5,222,921.90
  6. Step 6: Final answer
    x = 3,280,997.61

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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.