Home / 2,797,138.20-4,191,770.70-2,071,819.65

Finding the Fourth Proportional to 2,797,138.20, 4,191,770.70 and 2,071,819.65

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Solution

The fourth proportional to 2,797,138.20, 4,191,770.70 and 2,071,819.65 is: 3,104,813.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797,138.20 : 4,191,770.70 = 2,071,819.65 : x
  2. Step 2: Convert to fraction form
    2,797,138.20/4,191,770.70 = 2,071,819.65/x
  3. Step 3: Cross multiply
    2,797,138.20x = 4,191,770.70 × 2,071,819.65
  4. Step 4: Simplify right side
    2,797,138.20x = 8,684,592,904,554.26
  5. Step 5: Solve for x
    x = 8,684,592,904,554.26/2,797,138.20
  6. Step 6: Final answer
    x = 3,104,813.66

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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.