Home / 3,780,695.80-5,215,835.94-2,188,362.16

Finding the Fourth Proportional to 3,780,695.80, 5,215,835.94 and 2,188,362.16

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Solution

The fourth proportional to 3,780,695.80, 5,215,835.94 and 2,188,362.16 is: 3,019,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,695.80 : 5,215,835.94 = 2,188,362.16 : x
  2. Step 2: Convert to fraction form
    3,780,695.80/5,215,835.94 = 2,188,362.16/x
  3. Step 3: Cross multiply
    3,780,695.80x = 5,215,835.94 × 2,188,362.16
  4. Step 4: Simplify right side
    3,780,695.80x = 11,414,138,003,864.03
  5. Step 5: Solve for x
    x = 11,414,138,003,864.03/3,780,695.80
  6. Step 6: Final answer
    x = 3,019,057.50

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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.