Home / 5,189,255.62-7,161,615.46-2,897,859.12

Finding the Fourth Proportional to 5,189,255.62, 7,161,615.46 and 2,897,859.12

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Solution

The fourth proportional to 5,189,255.62, 7,161,615.46 and 2,897,859.12 is: 3,999,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,255.62 : 7,161,615.46 = 2,897,859.12 : x
  2. Step 2: Convert to fraction form
    5,189,255.62/7,161,615.46 = 2,897,859.12/x
  3. Step 3: Cross multiply
    5,189,255.62x = 7,161,615.46 × 2,897,859.12
  4. Step 4: Simplify right side
    5,189,255.62x = 20,753,352,674,694.00
  5. Step 5: Solve for x
    x = 20,753,352,674,694.00/5,189,255.62
  6. Step 6: Final answer
    x = 3,999,292.81

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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.