Home / 3,478,999.70-5,218,499.55-2,203,541.30

Finding the Fourth Proportional to 3,478,999.70, 5,218,499.55 and 2,203,541.30

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Solution

The fourth proportional to 3,478,999.70, 5,218,499.55 and 2,203,541.30 is: 3,305,311.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,999.70 : 5,218,499.55 = 2,203,541.30 : x
  2. Step 2: Convert to fraction form
    3,478,999.70/5,218,499.55 = 2,203,541.30/x
  3. Step 3: Cross multiply
    3,478,999.70x = 5,218,499.55 × 2,203,541.30
  4. Step 4: Simplify right side
    3,478,999.70x = 11,499,179,282,456.41
  5. Step 5: Solve for x
    x = 11,499,179,282,456.41/3,478,999.70
  6. Step 6: Final answer
    x = 3,305,311.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.