Home / 1,981,640.57-2,734,832.63-1,122,353.69

Finding the Fourth Proportional to 1,981,640.57, 2,734,832.63 and 1,122,353.69

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Solution

The fourth proportional to 1,981,640.57, 2,734,832.63 and 1,122,353.69 is: 1,548,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,640.57 : 2,734,832.63 = 1,122,353.69 : x
  2. Step 2: Convert to fraction form
    1,981,640.57/2,734,832.63 = 1,122,353.69/x
  3. Step 3: Cross multiply
    1,981,640.57x = 2,734,832.63 × 1,122,353.69
  4. Step 4: Simplify right side
    1,981,640.57x = 3,069,449,482,944.63
  5. Step 5: Solve for x
    x = 3,069,449,482,944.63/1,981,640.57
  6. Step 6: Final answer
    x = 1,548,943.61

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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.