Home / 2,227,455.20-3,073,899.12-1,208,861.12

Finding the Fourth Proportional to 2,227,455.20, 3,073,899.12 and 1,208,861.12

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Solution

The fourth proportional to 2,227,455.20, 3,073,899.12 and 1,208,861.12 is: 1,668,234.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,455.20 : 3,073,899.12 = 1,208,861.12 : x
  2. Step 2: Convert to fraction form
    2,227,455.20/3,073,899.12 = 1,208,861.12/x
  3. Step 3: Cross multiply
    2,227,455.20x = 3,073,899.12 × 1,208,861.12
  4. Step 4: Simplify right side
    2,227,455.20x = 3,715,917,132,970.22
  5. Step 5: Solve for x
    x = 3,715,917,132,970.22/2,227,455.20
  6. Step 6: Final answer
    x = 1,668,234.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.