Home / 1,981,734.25-2,734,701.74-1,122,300.66

Finding the Fourth Proportional to 1,981,734.25, 2,734,701.74 and 1,122,300.66

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Solution

The fourth proportional to 1,981,734.25, 2,734,701.74 and 1,122,300.66 is: 1,548,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,734.25 : 2,734,701.74 = 1,122,300.66 : x
  2. Step 2: Convert to fraction form
    1,981,734.25/2,734,701.74 = 1,122,300.66/x
  3. Step 3: Cross multiply
    1,981,734.25x = 2,734,701.74 × 1,122,300.66
  4. Step 4: Simplify right side
    1,981,734.25x = 3,069,157,567,705.15
  5. Step 5: Solve for x
    x = 3,069,157,567,705.15/1,981,734.25
  6. Step 6: Final answer
    x = 1,548,723.08

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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.