Home / 3,631,501.80-5,011,912.80-2,181,958.20

Finding the Fourth Proportional to 3,631,501.80, 5,011,912.80 and 2,181,958.20

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Solution

The fourth proportional to 3,631,501.80, 5,011,912.80 and 2,181,958.20 is: 3,011,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,501.80 : 5,011,912.80 = 2,181,958.20 : x
  2. Step 2: Convert to fraction form
    3,631,501.80/5,011,912.80 = 2,181,958.20/x
  3. Step 3: Cross multiply
    3,631,501.80x = 5,011,912.80 × 2,181,958.20
  4. Step 4: Simplify right side
    3,631,501.80x = 10,935,784,231,644.96
  5. Step 5: Solve for x
    x = 10,935,784,231,644.96/3,631,501.80
  6. Step 6: Final answer
    x = 3,011,366.88

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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.