Home / 1,510,190.70-2,265,286.05-1,452,129.90

Finding the Fourth Proportional to 1,510,190.70, 2,265,286.05 and 1,452,129.90

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Solution

The fourth proportional to 1,510,190.70, 2,265,286.05 and 1,452,129.90 is: 2,178,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,190.70 : 2,265,286.05 = 1,452,129.90 : x
  2. Step 2: Convert to fraction form
    1,510,190.70/2,265,286.05 = 1,452,129.90/x
  3. Step 3: Cross multiply
    1,510,190.70x = 2,265,286.05 × 1,452,129.90
  4. Step 4: Simplify right side
    1,510,190.70x = 3,289,489,605,257.89
  5. Step 5: Solve for x
    x = 3,289,489,605,257.89/1,510,190.70
  6. Step 6: Final answer
    x = 2,178,194.85

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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.