Home / 1,882,071.38-2,821,520.08-816,310.78

Finding the Fourth Proportional to 1,882,071.38, 2,821,520.08 and 816,310.78

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Solution

The fourth proportional to 1,882,071.38, 2,821,520.08 and 816,310.78 is: 1,223,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,882,071.38 : 2,821,520.08 = 816,310.78 : x
  2. Step 2: Convert to fraction form
    1,882,071.38/2,821,520.08 = 816,310.78/x
  3. Step 3: Cross multiply
    1,882,071.38x = 2,821,520.08 × 816,310.78
  4. Step 4: Simplify right side
    1,882,071.38x = 2,303,237,251,257.05
  5. Step 5: Solve for x
    x = 2,303,237,251,257.05/1,882,071.38
  6. Step 6: Final answer
    x = 1,223,777.84

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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.