Home / 3,921,725.45-5,412,112.55-2,179,468.28

Finding the Fourth Proportional to 3,921,725.45, 5,412,112.55 and 2,179,468.28

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Solution

The fourth proportional to 3,921,725.45, 5,412,112.55 and 2,179,468.28 is: 3,007,739.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,725.45 : 5,412,112.55 = 2,179,468.28 : x
  2. Step 2: Convert to fraction form
    3,921,725.45/5,412,112.55 = 2,179,468.28/x
  3. Step 3: Cross multiply
    3,921,725.45x = 5,412,112.55 × 2,179,468.28
  4. Step 4: Simplify right side
    3,921,725.45x = 11,795,527,592,557.01
  5. Step 5: Solve for x
    x = 11,795,527,592,557.01/3,921,725.45
  6. Step 6: Final answer
    x = 3,007,739.26

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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.