Home / 2,812,268.88-4,219,103.16-817,724.88

Finding the Fourth Proportional to 2,812,268.88, 4,219,103.16 and 817,724.88

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Solution

The fourth proportional to 2,812,268.88, 4,219,103.16 and 817,724.88 is: 1,226,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,268.88 : 4,219,103.16 = 817,724.88 : x
  2. Step 2: Convert to fraction form
    2,812,268.88/4,219,103.16 = 817,724.88/x
  3. Step 3: Cross multiply
    2,812,268.88x = 4,219,103.16 × 817,724.88
  4. Step 4: Simplify right side
    2,812,268.88x = 3,450,065,625,218.62
  5. Step 5: Solve for x
    x = 3,450,065,625,218.62/2,812,268.88
  6. Step 6: Final answer
    x = 1,226,790.81

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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.