Home / 3,855,355.30-5,320,421.13-2,136,504.34

Finding the Fourth Proportional to 3,855,355.30, 5,320,421.13 and 2,136,504.34

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Solution

The fourth proportional to 3,855,355.30, 5,320,421.13 and 2,136,504.34 is: 2,948,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,355.30 : 5,320,421.13 = 2,136,504.34 : x
  2. Step 2: Convert to fraction form
    3,855,355.30/5,320,421.13 = 2,136,504.34/x
  3. Step 3: Cross multiply
    3,855,355.30x = 5,320,421.13 × 2,136,504.34
  4. Step 4: Simplify right side
    3,855,355.30x = 11,367,102,834,872.70
  5. Step 5: Solve for x
    x = 11,367,102,834,872.70/3,855,355.30
  6. Step 6: Final answer
    x = 2,948,393.07

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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.