Home / 2,170,473.30-3,253,872.87-821,892.56

Finding the Fourth Proportional to 2,170,473.30, 3,253,872.87 and 821,892.56

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Solution

The fourth proportional to 2,170,473.30, 3,253,872.87 and 821,892.56 is: 1,232,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,473.30 : 3,253,872.87 = 821,892.56 : x
  2. Step 2: Convert to fraction form
    2,170,473.30/3,253,872.87 = 821,892.56/x
  3. Step 3: Cross multiply
    2,170,473.30x = 3,253,872.87 × 821,892.56
  4. Step 4: Simplify right side
    2,170,473.30x = 2,674,333,886,769.48
  5. Step 5: Solve for x
    x = 2,674,333,886,769.48/2,170,473.30
  6. Step 6: Final answer
    x = 1,232,143.19

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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.