Home / 1,981,561.42-2,967,296.27-1,305,593.37

Finding the Fourth Proportional to 1,981,561.42, 2,967,296.27 and 1,305,593.37

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Solution

The fourth proportional to 1,981,561.42, 2,967,296.27 and 1,305,593.37 is: 1,955,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,561.42 : 2,967,296.27 = 1,305,593.37 : x
  2. Step 2: Convert to fraction form
    1,981,561.42/2,967,296.27 = 1,305,593.37/x
  3. Step 3: Cross multiply
    1,981,561.42x = 2,967,296.27 × 1,305,593.37
  4. Step 4: Simplify right side
    1,981,561.42x = 3,874,082,330,409.76
  5. Step 5: Solve for x
    x = 3,874,082,330,409.76/1,981,561.42
  6. Step 6: Final answer
    x = 1,955,065.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.