Home / 2,188,728.48-3,284,132.40-1,515,845.28

Finding the Fourth Proportional to 2,188,728.48, 3,284,132.40 and 1,515,845.28

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Solution

The fourth proportional to 2,188,728.48, 3,284,132.40 and 1,515,845.28 is: 2,274,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,728.48 : 3,284,132.40 = 1,515,845.28 : x
  2. Step 2: Convert to fraction form
    2,188,728.48/3,284,132.40 = 1,515,845.28/x
  3. Step 3: Cross multiply
    2,188,728.48x = 3,284,132.40 × 1,515,845.28
  4. Step 4: Simplify right side
    2,188,728.48x = 4,978,236,597,435.07
  5. Step 5: Solve for x
    x = 4,978,236,597,435.07/2,188,728.48
  6. Step 6: Final answer
    x = 2,274,487.97

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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.