Home / 1,981,736.75-2,734,705.19-1,122,303.20

Finding the Fourth Proportional to 1,981,736.75, 2,734,705.19 and 1,122,303.20

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Solution

The fourth proportional to 1,981,736.75, 2,734,705.19 and 1,122,303.20 is: 1,548,726.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,736.75 : 2,734,705.19 = 1,122,303.20 : x
  2. Step 2: Convert to fraction form
    1,981,736.75/2,734,705.19 = 1,122,303.20/x
  3. Step 3: Cross multiply
    1,981,736.75x = 2,734,705.19 × 1,122,303.20
  4. Step 4: Simplify right side
    1,981,736.75x = 3,069,168,374,925.84
  5. Step 5: Solve for x
    x = 3,069,168,374,925.84/1,981,736.75
  6. Step 6: Final answer
    x = 1,548,726.58

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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.