Home / 2,120,522.46-3,178,469.61-1,041,778.14

Finding the Fourth Proportional to 2,120,522.46, 3,178,469.61 and 1,041,778.14

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Solution

The fourth proportional to 2,120,522.46, 3,178,469.61 and 1,041,778.14 is: 1,561,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,522.46 : 3,178,469.61 = 1,041,778.14 : x
  2. Step 2: Convert to fraction form
    2,120,522.46/3,178,469.61 = 1,041,778.14/x
  3. Step 3: Cross multiply
    2,120,522.46x = 3,178,469.61 × 1,041,778.14
  4. Step 4: Simplify right side
    2,120,522.46x = 3,311,260,158,352.33
  5. Step 5: Solve for x
    x = 3,311,260,158,352.33/2,120,522.46
  6. Step 6: Final answer
    x = 1,561,530.34

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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.