Home / 2,855,833.20-4,290,748.20-2,147,245.20

Finding the Fourth Proportional to 2,855,833.20, 4,290,748.20 and 2,147,245.20

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Solution

The fourth proportional to 2,855,833.20, 4,290,748.20 and 2,147,245.20 is: 3,226,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855,833.20 : 4,290,748.20 = 2,147,245.20 : x
  2. Step 2: Convert to fraction form
    2,855,833.20/4,290,748.20 = 2,147,245.20/x
  3. Step 3: Cross multiply
    2,855,833.20x = 4,290,748.20 × 2,147,245.20
  4. Step 4: Simplify right side
    2,855,833.20x = 9,213,288,476,858.64
  5. Step 5: Solve for x
    x = 9,213,288,476,858.64/2,855,833.20
  6. Step 6: Final answer
    x = 3,226,129.76

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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.