Home / 1,915,105.20-2,871,966.60-968,161.20

Finding the Fourth Proportional to 1,915,105.20, 2,871,966.60 and 968,161.20

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Solution

The fourth proportional to 1,915,105.20, 2,871,966.60 and 968,161.20 is: 1,451,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,105.20 : 2,871,966.60 = 968,161.20 : x
  2. Step 2: Convert to fraction form
    1,915,105.20/2,871,966.60 = 968,161.20/x
  3. Step 3: Cross multiply
    1,915,105.20x = 2,871,966.60 × 968,161.20
  4. Step 4: Simplify right side
    1,915,105.20x = 2,780,526,629,815.92
  5. Step 5: Solve for x
    x = 2,780,526,629,815.92/1,915,105.20
  6. Step 6: Final answer
    x = 1,451,892.37

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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.