Home / 3,855,174.96-5,320,172.72-2,136,324.20

Finding the Fourth Proportional to 3,855,174.96, 5,320,172.72 and 2,136,324.20

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Solution

The fourth proportional to 3,855,174.96, 5,320,172.72 and 2,136,324.20 is: 2,948,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,174.96 : 5,320,172.72 = 2,136,324.20 : x
  2. Step 2: Convert to fraction form
    3,855,174.96/5,320,172.72 = 2,136,324.20/x
  3. Step 3: Cross multiply
    3,855,174.96x = 5,320,172.72 × 2,136,324.20
  4. Step 4: Simplify right side
    3,855,174.96x = 11,365,613,729,915.82
  5. Step 5: Solve for x
    x = 11,365,613,729,915.82/3,855,174.96
  6. Step 6: Final answer
    x = 2,948,144.73

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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.