Home / 2,787,844.65-4,181,767.23-990,799.04

Finding the Fourth Proportional to 2,787,844.65, 4,181,767.23 and 990,799.04

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Solution

The fourth proportional to 2,787,844.65, 4,181,767.23 and 990,799.04 is: 1,486,198.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,844.65 : 4,181,767.23 = 990,799.04 : x
  2. Step 2: Convert to fraction form
    2,787,844.65/4,181,767.23 = 990,799.04/x
  3. Step 3: Cross multiply
    2,787,844.65x = 4,181,767.23 × 990,799.04
  4. Step 4: Simplify right side
    2,787,844.65x = 4,143,290,936,078.62
  5. Step 5: Solve for x
    x = 4,143,290,936,078.62/2,787,844.65
  6. Step 6: Final answer
    x = 1,486,198.64

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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.