Home / 2,718,907.38-4,078,367.55-825,663.06

Finding the Fourth Proportional to 2,718,907.38, 4,078,367.55 and 825,663.06

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Solution

The fourth proportional to 2,718,907.38, 4,078,367.55 and 825,663.06 is: 1,238,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,907.38 : 4,078,367.55 = 825,663.06 : x
  2. Step 2: Convert to fraction form
    2,718,907.38/4,078,367.55 = 825,663.06/x
  3. Step 3: Cross multiply
    2,718,907.38x = 4,078,367.55 × 825,663.06
  4. Step 4: Simplify right side
    2,718,907.38x = 3,367,357,431,137.70
  5. Step 5: Solve for x
    x = 3,367,357,431,137.70/2,718,907.38
  6. Step 6: Final answer
    x = 1,238,496.56

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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.