Home / 3,989,849.58-5,505,998.54-2,270,970.09

Finding the Fourth Proportional to 3,989,849.58, 5,505,998.54 and 2,270,970.09

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Solution

The fourth proportional to 3,989,849.58, 5,505,998.54 and 2,270,970.09 is: 3,133,942.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,849.58 : 5,505,998.54 = 2,270,970.09 : x
  2. Step 2: Convert to fraction form
    3,989,849.58/5,505,998.54 = 2,270,970.09/x
  3. Step 3: Cross multiply
    3,989,849.58x = 5,505,998.54 × 2,270,970.09
  4. Step 4: Simplify right side
    3,989,849.58x = 12,503,957,988,568.82
  5. Step 5: Solve for x
    x = 12,503,957,988,568.82/3,989,849.58
  6. Step 6: Final answer
    x = 3,133,942.20

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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.