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Finding the Fourth Proportional to 3,324,978.08, 4,588,377.84 and 1,874,660.88

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Solution

The fourth proportional to 3,324,978.08, 4,588,377.84 and 1,874,660.88 is: 2,586,980.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324,978.08 : 4,588,377.84 = 1,874,660.88 : x
  2. Step 2: Convert to fraction form
    3,324,978.08/4,588,377.84 = 1,874,660.88/x
  3. Step 3: Cross multiply
    3,324,978.08x = 4,588,377.84 × 1,874,660.88
  4. Step 4: Simplify right side
    3,324,978.08x = 8,601,652,439,306.90
  5. Step 5: Solve for x
    x = 8,601,652,439,306.90/3,324,978.08
  6. Step 6: Final answer
    x = 2,586,980.19

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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.