Home / 3,991,882.92-5,987,738.44-1,113,173.11

Finding the Fourth Proportional to 3,991,882.92, 5,987,738.44 and 1,113,173.11

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Solution

The fourth proportional to 3,991,882.92, 5,987,738.44 and 1,113,173.11 is: 1,669,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,882.92 : 5,987,738.44 = 1,113,173.11 : x
  2. Step 2: Convert to fraction form
    3,991,882.92/5,987,738.44 = 1,113,173.11/x
  3. Step 3: Cross multiply
    3,991,882.92x = 5,987,738.44 × 1,113,173.11
  4. Step 4: Simplify right side
    3,991,882.92x = 6,665,389,421,121.35
  5. Step 5: Solve for x
    x = 6,665,389,421,121.35/3,991,882.92
  6. Step 6: Final answer
    x = 1,669,735.70

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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.