Home / 2,151,206.20-3,222,143.70-1,777,958.20

Finding the Fourth Proportional to 2,151,206.20, 3,222,143.70 and 1,777,958.20

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Solution

The fourth proportional to 2,151,206.20, 3,222,143.70 and 1,777,958.20 is: 2,663,081.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,206.20 : 3,222,143.70 = 1,777,958.20 : x
  2. Step 2: Convert to fraction form
    2,151,206.20/3,222,143.70 = 1,777,958.20/x
  3. Step 3: Cross multiply
    2,151,206.20x = 3,222,143.70 × 1,777,958.20
  4. Step 4: Simplify right side
    2,151,206.20x = 5,728,836,812,993.34
  5. Step 5: Solve for x
    x = 5,728,836,812,993.34/2,151,206.20
  6. Step 6: Final answer
    x = 2,663,081.21

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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.