Home / 3,617,987.09-4,992,832.01-1,986,500.13

Finding the Fourth Proportional to 3,617,987.09, 4,992,832.01 and 1,986,500.13

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Solution

The fourth proportional to 3,617,987.09, 4,992,832.01 and 1,986,500.13 is: 2,741,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617,987.09 : 4,992,832.01 = 1,986,500.13 : x
  2. Step 2: Convert to fraction form
    3,617,987.09/4,992,832.01 = 1,986,500.13/x
  3. Step 3: Cross multiply
    3,617,987.09x = 4,992,832.01 × 1,986,500.13
  4. Step 4: Simplify right side
    3,617,987.09x = 9,918,261,436,933.16
  5. Step 5: Solve for x
    x = 9,918,261,436,933.16/3,617,987.09
  6. Step 6: Final answer
    x = 2,741,375.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.