Home / 3,858,881.42-5,324,872.28-2,227,815.20

Finding the Fourth Proportional to 3,858,881.42, 5,324,872.28 and 2,227,815.20

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Solution

The fourth proportional to 3,858,881.42, 5,324,872.28 and 2,227,815.20 is: 3,074,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858,881.42 : 5,324,872.28 = 2,227,815.20 : x
  2. Step 2: Convert to fraction form
    3,858,881.42/5,324,872.28 = 2,227,815.20/x
  3. Step 3: Cross multiply
    3,858,881.42x = 5,324,872.28 × 2,227,815.20
  4. Step 4: Simplify right side
    3,858,881.42x = 11,862,831,403,442.66
  5. Step 5: Solve for x
    x = 11,862,831,403,442.66/3,858,881.42
  6. Step 6: Final answer
    x = 3,074,163.24

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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.