Home / 2,718,923.94-4,078,121.04-825,681.78

Finding the Fourth Proportional to 2,718,923.94, 4,078,121.04 and 825,681.78

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Solution

The fourth proportional to 2,718,923.94, 4,078,121.04 and 825,681.78 is: 1,238,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718,923.94 : 4,078,121.04 = 825,681.78 : x
  2. Step 2: Convert to fraction form
    2,718,923.94/4,078,121.04 = 825,681.78/x
  3. Step 3: Cross multiply
    2,718,923.94x = 4,078,121.04 × 825,681.78
  4. Step 4: Simplify right side
    2,718,923.94x = 3,367,230,239,362.65
  5. Step 5: Solve for x
    x = 3,367,230,239,362.65/2,718,923.94
  6. Step 6: Final answer
    x = 1,238,442.23

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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.