Home / 1,981,353.12-2,734,277.76-1,122,080.64

Finding the Fourth Proportional to 1,981,353.12, 2,734,277.76 and 1,122,080.64

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Solution

The fourth proportional to 1,981,353.12, 2,734,277.76 and 1,122,080.64 is: 1,548,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,353.12 : 2,734,277.76 = 1,122,080.64 : x
  2. Step 2: Convert to fraction form
    1,981,353.12/2,734,277.76 = 1,122,080.64/x
  3. Step 3: Cross multiply
    1,981,353.12x = 2,734,277.76 × 1,122,080.64
  4. Step 4: Simplify right side
    1,981,353.12x = 3,068,080,138,878.57
  5. Step 5: Solve for x
    x = 3,068,080,138,878.57/1,981,353.12
  6. Step 6: Final answer
    x = 1,548,477.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.