Home / 5,787,317.95-7,986,857.78-3,208,998.72

Finding the Fourth Proportional to 5,787,317.95, 7,986,857.78 and 3,208,998.72

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Solution

The fourth proportional to 5,787,317.95, 7,986,857.78 and 3,208,998.72 is: 4,428,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787,317.95 : 7,986,857.78 = 3,208,998.72 : x
  2. Step 2: Convert to fraction form
    5,787,317.95/7,986,857.78 = 3,208,998.72/x
  3. Step 3: Cross multiply
    5,787,317.95x = 7,986,857.78 × 3,208,998.72
  4. Step 4: Simplify right side
    5,787,317.95x = 25,629,816,376,797.05
  5. Step 5: Solve for x
    x = 25,629,816,376,797.05/5,787,317.95
  6. Step 6: Final answer
    x = 4,428,617.30

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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.