Home / 5,315,896.20-7,979,749.20-3,296,420.40

Finding the Fourth Proportional to 5,315,896.20, 7,979,749.20 and 3,296,420.40

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Solution

The fourth proportional to 5,315,896.20, 7,979,749.20 and 3,296,420.40 is: 4,948,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,896.20 : 7,979,749.20 = 3,296,420.40 : x
  2. Step 2: Convert to fraction form
    5,315,896.20/7,979,749.20 = 3,296,420.40/x
  3. Step 3: Cross multiply
    5,315,896.20x = 7,979,749.20 × 3,296,420.40
  4. Step 4: Simplify right side
    5,315,896.20x = 26,304,608,049,763.68
  5. Step 5: Solve for x
    x = 26,304,608,049,763.68/5,315,896.20
  6. Step 6: Final answer
    x = 4,948,292.27

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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.