Home / 2,154,193.08-3,231,371.61-806,213.76

Finding the Fourth Proportional to 2,154,193.08, 3,231,371.61 and 806,213.76

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Solution

The fourth proportional to 2,154,193.08, 3,231,371.61 and 806,213.76 is: 1,209,351.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,193.08 : 3,231,371.61 = 806,213.76 : x
  2. Step 2: Convert to fraction form
    2,154,193.08/3,231,371.61 = 806,213.76/x
  3. Step 3: Cross multiply
    2,154,193.08x = 3,231,371.61 × 806,213.76
  4. Step 4: Simplify right side
    2,154,193.08x = 2,605,176,255,655.35
  5. Step 5: Solve for x
    x = 2,605,176,255,655.35/2,154,193.08
  6. Step 6: Final answer
    x = 1,209,351.33

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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.