Home / 5,780,638.25-7,976,906.69-3,167,138.75

Finding the Fourth Proportional to 5,780,638.25, 7,976,906.69 and 3,167,138.75

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Solution

The fourth proportional to 5,780,638.25, 7,976,906.69 and 3,167,138.75 is: 4,370,446.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780,638.25 : 7,976,906.69 = 3,167,138.75 : x
  2. Step 2: Convert to fraction form
    5,780,638.25/7,976,906.69 = 3,167,138.75/x
  3. Step 3: Cross multiply
    5,780,638.25x = 7,976,906.69 × 3,167,138.75
  4. Step 4: Simplify right side
    5,780,638.25x = 25,263,970,267,197.54
  5. Step 5: Solve for x
    x = 25,263,970,267,197.54/5,780,638.25
  6. Step 6: Final answer
    x = 4,370,446.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.