Home / 3,989,813.88-5,505,949.29-2,270,934.38

Finding the Fourth Proportional to 3,989,813.88, 5,505,949.29 and 2,270,934.38

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Solution

The fourth proportional to 3,989,813.88, 5,505,949.29 and 2,270,934.38 is: 3,133,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,813.88 : 5,505,949.29 = 2,270,934.38 : x
  2. Step 2: Convert to fraction form
    3,989,813.88/5,505,949.29 = 2,270,934.38/x
  3. Step 3: Cross multiply
    3,989,813.88x = 5,505,949.29 × 2,270,934.38
  4. Step 4: Simplify right side
    3,989,813.88x = 12,503,649,509,667.84
  5. Step 5: Solve for x
    x = 12,503,649,509,667.84/3,989,813.88
  6. Step 6: Final answer
    x = 3,133,892.93

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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.