Home / 5,324,881.20-7,982,656.20-3,195,812.40

Finding the Fourth Proportional to 5,324,881.20, 7,982,656.20 and 3,195,812.40

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Solution

The fourth proportional to 5,324,881.20, 7,982,656.20 and 3,195,812.40 is: 4,790,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,324,881.20 : 7,982,656.20 = 3,195,812.40 : x
  2. Step 2: Convert to fraction form
    5,324,881.20/7,982,656.20 = 3,195,812.40/x
  3. Step 3: Cross multiply
    5,324,881.20x = 7,982,656.20 × 3,195,812.40
  4. Step 4: Simplify right side
    5,324,881.20x = 25,511,071,668,896.88
  5. Step 5: Solve for x
    x = 25,511,071,668,896.88/5,324,881.20
  6. Step 6: Final answer
    x = 4,790,918.47

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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.