Home / 3,218,391.20-4,815,145.20-2,098,647.20

Finding the Fourth Proportional to 3,218,391.20, 4,815,145.20 and 2,098,647.20

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Solution

The fourth proportional to 3,218,391.20, 4,815,145.20 and 2,098,647.20 is: 3,139,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,391.20 : 4,815,145.20 = 2,098,647.20 : x
  2. Step 2: Convert to fraction form
    3,218,391.20/4,815,145.20 = 2,098,647.20/x
  3. Step 3: Cross multiply
    3,218,391.20x = 4,815,145.20 × 2,098,647.20
  4. Step 4: Simplify right side
    3,218,391.20x = 10,105,290,991,573.44
  5. Step 5: Solve for x
    x = 10,105,290,991,573.44/3,218,391.20
  6. Step 6: Final answer
    x = 3,139,857.89

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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.