Home / 1,981,742.95-2,734,713.88-1,122,309.46

Finding the Fourth Proportional to 1,981,742.95, 2,734,713.88 and 1,122,309.46

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Solution

The fourth proportional to 1,981,742.95, 2,734,713.88 and 1,122,309.46 is: 1,548,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,742.95 : 2,734,713.88 = 1,122,309.46 : x
  2. Step 2: Convert to fraction form
    1,981,742.95/2,734,713.88 = 1,122,309.46/x
  3. Step 3: Cross multiply
    1,981,742.95x = 2,734,713.88 × 1,122,309.46
  4. Step 4: Simplify right side
    1,981,742.95x = 3,069,195,257,917.31
  5. Step 5: Solve for x
    x = 3,069,195,257,917.31/1,981,742.95
  6. Step 6: Final answer
    x = 1,548,735.30

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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.