Home / 3,505,728.87-5,255,419.32-1,375,240.95

Finding the Fourth Proportional to 3,505,728.87, 5,255,419.32 and 1,375,240.95

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Solution

The fourth proportional to 3,505,728.87, 5,255,419.32 and 1,375,240.95 is: 2,061,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505,728.87 : 5,255,419.32 = 1,375,240.95 : x
  2. Step 2: Convert to fraction form
    3,505,728.87/5,255,419.32 = 1,375,240.95/x
  3. Step 3: Cross multiply
    3,505,728.87x = 5,255,419.32 × 1,375,240.95
  4. Step 4: Simplify right side
    3,505,728.87x = 7,227,467,858,285.15
  5. Step 5: Solve for x
    x = 7,227,467,858,285.15/3,505,728.87
  6. Step 6: Final answer
    x = 2,061,616.32

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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.