Home / 2,154,471.12-3,231,788.40-806,491.80

Finding the Fourth Proportional to 2,154,471.12, 3,231,788.40 and 806,491.80

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Solution

The fourth proportional to 2,154,471.12, 3,231,788.40 and 806,491.80 is: 1,209,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,471.12 : 3,231,788.40 = 806,491.80 : x
  2. Step 2: Convert to fraction form
    2,154,471.12/3,231,788.40 = 806,491.80/x
  3. Step 3: Cross multiply
    2,154,471.12x = 3,231,788.40 × 806,491.80
  4. Step 4: Simplify right side
    2,154,471.12x = 2,606,410,843,935.12
  5. Step 5: Solve for x
    x = 2,606,410,843,935.12/2,154,471.12
  6. Step 6: Final answer
    x = 1,209,768.29

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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.