Home / 3,019,325.28-4,162,160.88-1,998,958.56

Finding the Fourth Proportional to 3,019,325.28, 4,162,160.88 and 1,998,958.56

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Solution

The fourth proportional to 3,019,325.28, 4,162,160.88 and 1,998,958.56 is: 2,755,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019,325.28 : 4,162,160.88 = 1,998,958.56 : x
  2. Step 2: Convert to fraction form
    3,019,325.28/4,162,160.88 = 1,998,958.56/x
  3. Step 3: Cross multiply
    3,019,325.28x = 4,162,160.88 × 1,998,958.56
  4. Step 4: Simplify right side
    3,019,325.28x = 8,319,987,119,173.13
  5. Step 5: Solve for x
    x = 8,319,987,119,173.13/3,019,325.28
  6. Step 6: Final answer
    x = 2,755,578.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.