Home / 2,190,452.20-3,281,216.64-1,787,081.92

Finding the Fourth Proportional to 2,190,452.20, 3,281,216.64 and 1,787,081.92

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Solution

The fourth proportional to 2,190,452.20, 3,281,216.64 and 1,787,081.92 is: 2,676,982.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,452.20 : 3,281,216.64 = 1,787,081.92 : x
  2. Step 2: Convert to fraction form
    2,190,452.20/3,281,216.64 = 1,787,081.92/x
  3. Step 3: Cross multiply
    2,190,452.20x = 3,281,216.64 × 1,787,081.92
  4. Step 4: Simplify right side
    2,190,452.20x = 5,863,802,932,947.15
  5. Step 5: Solve for x
    x = 5,863,802,932,947.15/2,190,452.20
  6. Step 6: Final answer
    x = 2,676,982.83

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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.