Home / 2,718,860.19-4,078,025.42-825,618.03

Finding the Fourth Proportional to 2,718,860.19, 4,078,025.42 and 825,618.03

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Solution

The fourth proportional to 2,718,860.19, 4,078,025.42 and 825,618.03 is: 1,238,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,860.19 : 4,078,025.42 = 825,618.03 : x
  2. Step 2: Convert to fraction form
    2,718,860.19/4,078,025.42 = 825,618.03/x
  3. Step 3: Cross multiply
    2,718,860.19x = 4,078,025.42 × 825,618.03
  4. Step 4: Simplify right side
    2,718,860.19x = 3,366,891,309,422.23
  5. Step 5: Solve for x
    x = 3,366,891,309,422.23/2,718,860.19
  6. Step 6: Final answer
    x = 1,238,346.61

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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.