Home / 3,003,445.96-4,505,121.20-728,989.18

Finding the Fourth Proportional to 3,003,445.96, 4,505,121.20 and 728,989.18

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Solution

The fourth proportional to 3,003,445.96, 4,505,121.20 and 728,989.18 is: 1,093,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003,445.96 : 4,505,121.20 = 728,989.18 : x
  2. Step 2: Convert to fraction form
    3,003,445.96/4,505,121.20 = 728,989.18/x
  3. Step 3: Cross multiply
    3,003,445.96x = 4,505,121.20 × 728,989.18
  4. Step 4: Simplify right side
    3,003,445.96x = 3,284,184,609,388.62
  5. Step 5: Solve for x
    x = 3,284,184,609,388.62/3,003,445.96
  6. Step 6: Final answer
    x = 1,093,472.18

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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.