Home / 1,805,245.78-2,691,958.17-1,789,056.52

Finding the Fourth Proportional to 1,805,245.78, 2,691,958.17 and 1,789,056.52

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Solution

The fourth proportional to 1,805,245.78, 2,691,958.17 and 1,789,056.52 is: 2,667,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,245.78 : 2,691,958.17 = 1,789,056.52 : x
  2. Step 2: Convert to fraction form
    1,805,245.78/2,691,958.17 = 1,789,056.52/x
  3. Step 3: Cross multiply
    1,805,245.78x = 2,691,958.17 × 1,789,056.52
  4. Step 4: Simplify right side
    1,805,245.78x = 4,816,065,311,133.13
  5. Step 5: Solve for x
    x = 4,816,065,311,133.13/1,805,245.78
  6. Step 6: Final answer
    x = 2,667,816.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.