Home / 3,991,134.24-5,507,755.92-2,180,311.20

Finding the Fourth Proportional to 3,991,134.24, 5,507,755.92 and 2,180,311.20

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Solution

The fourth proportional to 3,991,134.24, 5,507,755.92 and 2,180,311.20 is: 3,008,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,134.24 : 5,507,755.92 = 2,180,311.20 : x
  2. Step 2: Convert to fraction form
    3,991,134.24/5,507,755.92 = 2,180,311.20/x
  3. Step 3: Cross multiply
    3,991,134.24x = 5,507,755.92 × 2,180,311.20
  4. Step 4: Simplify right side
    3,991,134.24x = 12,008,621,919,242.30
  5. Step 5: Solve for x
    x = 12,008,621,919,242.30/3,991,134.24
  6. Step 6: Final answer
    x = 3,008,824.36

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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.