Home / 3,189,230.72-4,401,512.16-1,812,781.14

Finding the Fourth Proportional to 3,189,230.72, 4,401,512.16 and 1,812,781.14

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Solution

The fourth proportional to 3,189,230.72, 4,401,512.16 and 1,812,781.14 is: 2,501,850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,230.72 : 4,401,512.16 = 1,812,781.14 : x
  2. Step 2: Convert to fraction form
    3,189,230.72/4,401,512.16 = 1,812,781.14/x
  3. Step 3: Cross multiply
    3,189,230.72x = 4,401,512.16 × 1,812,781.14
  4. Step 4: Simplify right side
    3,189,230.72x = 7,978,978,231,128.66
  5. Step 5: Solve for x
    x = 7,978,978,231,128.66/3,189,230.72
  6. Step 6: Final answer
    x = 2,501,850.42

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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.