Home / 3,419,416.22-5,129,123.30-1,289,002.11

Finding the Fourth Proportional to 3,419,416.22, 5,129,123.30 and 1,289,002.11

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Solution

The fourth proportional to 3,419,416.22, 5,129,123.30 and 1,289,002.11 is: 1,933,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,416.22 : 5,129,123.30 = 1,289,002.11 : x
  2. Step 2: Convert to fraction form
    3,419,416.22/5,129,123.30 = 1,289,002.11/x
  3. Step 3: Cross multiply
    3,419,416.22x = 5,129,123.30 × 1,289,002.11
  4. Step 4: Simplify right side
    3,419,416.22x = 6,611,450,756,150.16
  5. Step 5: Solve for x
    x = 6,611,450,756,150.16/3,419,416.22
  6. Step 6: Final answer
    x = 1,933,502.78

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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.