Home / 5,342,912.20-8,019,617.10-2,650,277.80

Finding the Fourth Proportional to 5,342,912.20, 8,019,617.10 and 2,650,277.80

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Solution

The fourth proportional to 5,342,912.20, 8,019,617.10 and 2,650,277.80 is: 3,978,020.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342,912.20 : 8,019,617.10 = 2,650,277.80 : x
  2. Step 2: Convert to fraction form
    5,342,912.20/8,019,617.10 = 2,650,277.80/x
  3. Step 3: Cross multiply
    5,342,912.20x = 8,019,617.10 × 2,650,277.80
  4. Step 4: Simplify right side
    5,342,912.20x = 21,254,213,164,630.38
  5. Step 5: Solve for x
    x = 21,254,213,164,630.38/5,342,912.20
  6. Step 6: Final answer
    x = 3,978,020.29

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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.