Home / 3,420,419.96-5,120,401.26-2,068,491.08

Finding the Fourth Proportional to 3,420,419.96, 5,120,401.26 and 2,068,491.08

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Solution

The fourth proportional to 3,420,419.96, 5,120,401.26 and 2,068,491.08 is: 3,096,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,419.96 : 5,120,401.26 = 2,068,491.08 : x
  2. Step 2: Convert to fraction form
    3,420,419.96/5,120,401.26 = 2,068,491.08/x
  3. Step 3: Cross multiply
    3,420,419.96x = 5,120,401.26 × 2,068,491.08
  4. Step 4: Simplify right side
    3,420,419.96x = 10,591,504,332,330.76
  5. Step 5: Solve for x
    x = 10,591,504,332,330.76/3,420,419.96
  6. Step 6: Final answer
    x = 3,096,550.85

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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.