Home / 3,989,812.38-5,505,947.22-2,270,932.88

Finding the Fourth Proportional to 3,989,812.38, 5,505,947.22 and 2,270,932.88

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Solution

The fourth proportional to 3,989,812.38, 5,505,947.22 and 2,270,932.88 is: 3,133,890.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,989,812.38 : 5,505,947.22 = 2,270,932.88 : x
  2. Step 2: Convert to fraction form
    3,989,812.38/5,505,947.22 = 2,270,932.88/x
  3. Step 3: Cross multiply
    3,989,812.38x = 5,505,947.22 × 2,270,932.88
  4. Step 4: Simplify right side
    3,989,812.38x = 12,503,636,558,428.86
  5. Step 5: Solve for x
    x = 12,503,636,558,428.86/3,989,812.38
  6. Step 6: Final answer
    x = 3,133,890.86

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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.