Home / 3,855,239.46-5,320,261.71-2,136,388.68

Finding the Fourth Proportional to 3,855,239.46, 5,320,261.71 and 2,136,388.68

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Solution

The fourth proportional to 3,855,239.46, 5,320,261.71 and 2,136,388.68 is: 2,948,233.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,239.46 : 5,320,261.71 = 2,136,388.68 : x
  2. Step 2: Convert to fraction form
    3,855,239.46/5,320,261.71 = 2,136,388.68/x
  3. Step 3: Cross multiply
    3,855,239.46x = 5,320,261.71 × 2,136,388.68
  4. Step 4: Simplify right side
    3,855,239.46x = 11,366,146,891,881.44
  5. Step 5: Solve for x
    x = 11,366,146,891,881.44/3,855,239.46
  6. Step 6: Final answer
    x = 2,948,233.70

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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.