Home / 1,998,787.50-2,758,326.86-1,081,016.39

Finding the Fourth Proportional to 1,998,787.50, 2,758,326.86 and 1,081,016.39

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Solution

The fourth proportional to 1,998,787.50, 2,758,326.86 and 1,081,016.39 is: 1,491,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,787.50 : 2,758,326.86 = 1,081,016.39 : x
  2. Step 2: Convert to fraction form
    1,998,787.50/2,758,326.86 = 1,081,016.39/x
  3. Step 3: Cross multiply
    1,998,787.50x = 2,758,326.86 × 1,081,016.39
  4. Step 4: Simplify right side
    1,998,787.50x = 2,981,796,544,637.24
  5. Step 5: Solve for x
    x = 2,981,796,544,637.24/1,998,787.50
  6. Step 6: Final answer
    x = 1,491,802.68

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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.