Home / 2,618,121.28-3,924,817.92-1,819,778.56

Finding the Fourth Proportional to 2,618,121.28, 3,924,817.92 and 1,819,778.56

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Solution

The fourth proportional to 2,618,121.28, 3,924,817.92 and 1,819,778.56 is: 2,728,024.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,121.28 : 3,924,817.92 = 1,819,778.56 : x
  2. Step 2: Convert to fraction form
    2,618,121.28/3,924,817.92 = 1,819,778.56/x
  3. Step 3: Cross multiply
    2,618,121.28x = 3,924,817.92 × 1,819,778.56
  4. Step 4: Simplify right side
    2,618,121.28x = 7,142,299,502,719.80
  5. Step 5: Solve for x
    x = 7,142,299,502,719.80/2,618,121.28
  6. Step 6: Final answer
    x = 2,728,024.69

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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.