Home / 3,989,402.35-5,984,944.20-1,293,517.35

Finding the Fourth Proportional to 3,989,402.35, 5,984,944.20 and 1,293,517.35

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Solution

The fourth proportional to 3,989,402.35, 5,984,944.20 and 1,293,517.35 is: 1,940,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,402.35 : 5,984,944.20 = 1,293,517.35 : x
  2. Step 2: Convert to fraction form
    3,989,402.35/5,984,944.20 = 1,293,517.35/x
  3. Step 3: Cross multiply
    3,989,402.35x = 5,984,944.20 × 1,293,517.35
  4. Step 4: Simplify right side
    3,989,402.35x = 7,741,629,161,481.87
  5. Step 5: Solve for x
    x = 7,741,629,161,481.87/3,989,402.35
  6. Step 6: Final answer
    x = 1,940,548.61

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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.