Home / 2,008,179.11-3,012,365.55-660,311.88

Finding the Fourth Proportional to 2,008,179.11, 3,012,365.55 and 660,311.88

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Solution

The fourth proportional to 2,008,179.11, 3,012,365.55 and 660,311.88 is: 990,499.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008,179.11 : 3,012,365.55 = 660,311.88 : x
  2. Step 2: Convert to fraction form
    2,008,179.11/3,012,365.55 = 660,311.88/x
  3. Step 3: Cross multiply
    2,008,179.11x = 3,012,365.55 × 660,311.88
  4. Step 4: Simplify right side
    2,008,179.11x = 1,989,100,741,204.35
  5. Step 5: Solve for x
    x = 1,989,100,741,204.35/2,008,179.11
  6. Step 6: Final answer
    x = 990,499.67

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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.