Home / 2,815,378.62-4,222,640.25-922,078.14

Finding the Fourth Proportional to 2,815,378.62, 4,222,640.25 and 922,078.14

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Solution

The fourth proportional to 2,815,378.62, 4,222,640.25 and 922,078.14 is: 1,382,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,378.62 : 4,222,640.25 = 922,078.14 : x
  2. Step 2: Convert to fraction form
    2,815,378.62/4,222,640.25 = 922,078.14/x
  3. Step 3: Cross multiply
    2,815,378.62x = 4,222,640.25 × 922,078.14
  4. Step 4: Simplify right side
    2,815,378.62x = 3,893,604,267,609.14
  5. Step 5: Solve for x
    x = 3,893,604,267,609.14/2,815,378.62
  6. Step 6: Final answer
    x = 1,382,977.14

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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.