Home / 5,328,361.78-7,990,438.83-2,132,892.34

Finding the Fourth Proportional to 5,328,361.78, 7,990,438.83 and 2,132,892.34

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Solution

The fourth proportional to 5,328,361.78, 7,990,438.83 and 2,132,892.34 is: 3,198,496.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328,361.78 : 7,990,438.83 = 2,132,892.34 : x
  2. Step 2: Convert to fraction form
    5,328,361.78/7,990,438.83 = 2,132,892.34/x
  3. Step 3: Cross multiply
    5,328,361.78x = 7,990,438.83 × 2,132,892.34
  4. Step 4: Simplify right side
    5,328,361.78x = 17,042,745,773,745.56
  5. Step 5: Solve for x
    x = 17,042,745,773,745.56/5,328,361.78
  6. Step 6: Final answer
    x = 3,198,496.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.