Home / 5,243,309.22-7,856,951.85-3,531,121.50

Finding the Fourth Proportional to 5,243,309.22, 7,856,951.85 and 3,531,121.50

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Solution

The fourth proportional to 5,243,309.22, 7,856,951.85 and 3,531,121.50 is: 5,291,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243,309.22 : 7,856,951.85 = 3,531,121.50 : x
  2. Step 2: Convert to fraction form
    5,243,309.22/7,856,951.85 = 3,531,121.50/x
  3. Step 3: Cross multiply
    5,243,309.22x = 7,856,951.85 × 3,531,121.50
  4. Step 4: Simplify right side
    5,243,309.22x = 27,743,851,601,999.77
  5. Step 5: Solve for x
    x = 27,743,851,601,999.77/5,243,309.22
  6. Step 6: Final answer
    x = 5,291,286.56

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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.