Home / 2,154,135.20-3,231,202.80-658,032.80

Finding the Fourth Proportional to 2,154,135.20, 3,231,202.80 and 658,032.80

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Solution

The fourth proportional to 2,154,135.20, 3,231,202.80 and 658,032.80 is: 987,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,135.20 : 3,231,202.80 = 658,032.80 : x
  2. Step 2: Convert to fraction form
    2,154,135.20/3,231,202.80 = 658,032.80/x
  3. Step 3: Cross multiply
    2,154,135.20x = 3,231,202.80 × 658,032.80
  4. Step 4: Simplify right side
    2,154,135.20x = 2,126,237,425,851.84
  5. Step 5: Solve for x
    x = 2,126,237,425,851.84/2,154,135.20
  6. Step 6: Final answer
    x = 987,049.20

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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.