Home / 3,401,467-5,102,433.78-1,126,987

Finding the Fourth Proportional to 3,401,467, 5,102,433.78 and 1,126,987

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Solution

The fourth proportional to 3,401,467, 5,102,433.78 and 1,126,987 is: 1,690,557.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401,467 : 5,102,433.78 = 1,126,987 : x
  2. Step 2: Convert to fraction form
    3,401,467/5,102,433.78 = 1,126,987/x
  3. Step 3: Cross multiply
    3,401,467x = 5,102,433.78 × 1,126,987
  4. Step 4: Simplify right side
    3,401,467x = 5,750,376,538,420.86
  5. Step 5: Solve for x
    x = 5,750,376,538,420.86/3,401,467
  6. Step 6: Final answer
    x = 1,690,557.79

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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.