Home / 2,193,146.20-3,289,719.30-930,809.80

Finding the Fourth Proportional to 2,193,146.20, 3,289,719.30 and 930,809.80

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Solution

The fourth proportional to 2,193,146.20, 3,289,719.30 and 930,809.80 is: 1,396,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,146.20 : 3,289,719.30 = 930,809.80 : x
  2. Step 2: Convert to fraction form
    2,193,146.20/3,289,719.30 = 930,809.80/x
  3. Step 3: Cross multiply
    2,193,146.20x = 3,289,719.30 × 930,809.80
  4. Step 4: Simplify right side
    2,193,146.20x = 3,062,102,963,689.14
  5. Step 5: Solve for x
    x = 3,062,102,963,689.14/2,193,146.20
  6. Step 6: Final answer
    x = 1,396,214.70

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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.