Home / 5,308,168.85-7,960,941.07-2,275,190.78

Finding the Fourth Proportional to 5,308,168.85, 7,960,941.07 and 2,275,190.78

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Solution

The fourth proportional to 5,308,168.85, 7,960,941.07 and 2,275,190.78 is: 3,412,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308,168.85 : 7,960,941.07 = 2,275,190.78 : x
  2. Step 2: Convert to fraction form
    5,308,168.85/7,960,941.07 = 2,275,190.78/x
  3. Step 3: Cross multiply
    5,308,168.85x = 7,960,941.07 × 2,275,190.78
  4. Step 4: Simplify right side
    5,308,168.85x = 18,112,659,689,892.60
  5. Step 5: Solve for x
    x = 18,112,659,689,892.60/5,308,168.85
  6. Step 6: Final answer
    x = 3,412,223.73

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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.