Home / 2,250,656.28-3,105,905.42-1,218,163.88

Finding the Fourth Proportional to 2,250,656.28, 3,105,905.42 and 1,218,163.88

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Solution

The fourth proportional to 2,250,656.28, 3,105,905.42 and 1,218,163.88 is: 1,681,066.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,656.28 : 3,105,905.42 = 1,218,163.88 : x
  2. Step 2: Convert to fraction form
    2,250,656.28/3,105,905.42 = 1,218,163.88/x
  3. Step 3: Cross multiply
    2,250,656.28x = 3,105,905.42 × 1,218,163.88
  4. Step 4: Simplify right side
    2,250,656.28x = 3,783,501,775,719.88
  5. Step 5: Solve for x
    x = 3,783,501,775,719.88/2,250,656.28
  6. Step 6: Final answer
    x = 1,681,066.01

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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.