Home / 3,855,233.57-5,320,253.82-2,136,382.79

Finding the Fourth Proportional to 3,855,233.57, 5,320,253.82 and 2,136,382.79

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Solution

The fourth proportional to 3,855,233.57, 5,320,253.82 and 2,136,382.79 is: 2,948,225.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,233.57 : 5,320,253.82 = 2,136,382.79 : x
  2. Step 2: Convert to fraction form
    3,855,233.57/5,320,253.82 = 2,136,382.79/x
  3. Step 3: Cross multiply
    3,855,233.57x = 5,320,253.82 × 2,136,382.79
  4. Step 4: Simplify right side
    3,855,233.57x = 11,366,098,699,479.76
  5. Step 5: Solve for x
    x = 11,366,098,699,479.76/3,855,233.57
  6. Step 6: Final answer
    x = 2,948,225.70

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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.