Home / 1,682,179.86-2,321,401.50-918,234.03

Finding the Fourth Proportional to 1,682,179.86, 2,321,401.50 and 918,234.03

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Solution

The fourth proportional to 1,682,179.86, 2,321,401.50 and 918,234.03 is: 1,267,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,179.86 : 2,321,401.50 = 918,234.03 : x
  2. Step 2: Convert to fraction form
    1,682,179.86/2,321,401.50 = 918,234.03/x
  3. Step 3: Cross multiply
    1,682,179.86x = 2,321,401.50 × 918,234.03
  4. Step 4: Simplify right side
    1,682,179.86x = 2,131,589,854,593.05
  5. Step 5: Solve for x
    x = 2,131,589,854,593.05/1,682,179.86
  6. Step 6: Final answer
    x = 1,267,159.30

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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.