Home / 1,998,872.90-2,758,435.95-1,081,102.94

Finding the Fourth Proportional to 1,998,872.90, 2,758,435.95 and 1,081,102.94

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Solution

The fourth proportional to 1,998,872.90, 2,758,435.95 and 1,081,102.94 is: 1,491,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,872.90 : 2,758,435.95 = 1,081,102.94 : x
  2. Step 2: Convert to fraction form
    1,998,872.90/2,758,435.95 = 1,081,102.94/x
  3. Step 3: Cross multiply
    1,998,872.90x = 2,758,435.95 × 1,081,102.94
  4. Step 4: Simplify right side
    1,998,872.90x = 2,982,153,201,554.51
  5. Step 5: Solve for x
    x = 2,982,153,201,554.51/1,998,872.90
  6. Step 6: Final answer
    x = 1,491,917.37

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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.