Home / 2,811,275.31-4,216,912.96-681,359.43

Finding the Fourth Proportional to 2,811,275.31, 4,216,912.96 and 681,359.43

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Solution

The fourth proportional to 2,811,275.31, 4,216,912.96 and 681,359.43 is: 1,022,039.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,275.31 : 4,216,912.96 = 681,359.43 : x
  2. Step 2: Convert to fraction form
    2,811,275.31/4,216,912.96 = 681,359.43/x
  3. Step 3: Cross multiply
    2,811,275.31x = 4,216,912.96 × 681,359.43
  4. Step 4: Simplify right side
    2,811,275.31x = 2,873,233,395,823.49
  5. Step 5: Solve for x
    x = 2,873,233,395,823.49/2,811,275.31
  6. Step 6: Final answer
    x = 1,022,039.14

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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.