Home / 3,855,227.57-5,320,245.54-2,136,376.79

Finding the Fourth Proportional to 3,855,227.57, 5,320,245.54 and 2,136,376.79

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Solution

The fourth proportional to 3,855,227.57, 5,320,245.54 and 2,136,376.79 is: 2,948,217.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,227.57 : 5,320,245.54 = 2,136,376.79 : x
  2. Step 2: Convert to fraction form
    3,855,227.57/5,320,245.54 = 2,136,376.79/x
  3. Step 3: Cross multiply
    3,855,227.57x = 5,320,245.54 × 2,136,376.79
  4. Step 4: Simplify right side
    3,855,227.57x = 11,366,049,062,155.79
  5. Step 5: Solve for x
    x = 11,366,049,062,155.79/3,855,227.57
  6. Step 6: Final answer
    x = 2,948,217.42

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1.5x scale

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.