Home / 1,990,787.10-2,747,167.83-1,131,228.06

Finding the Fourth Proportional to 1,990,787.10, 2,747,167.83 and 1,131,228.06

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Solution

The fourth proportional to 1,990,787.10, 2,747,167.83 and 1,131,228.06 is: 1,561,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,990,787.10 : 2,747,167.83 = 1,131,228.06 : x
  2. Step 2: Convert to fraction form
    1,990,787.10/2,747,167.83 = 1,131,228.06/x
  3. Step 3: Cross multiply
    1,990,787.10x = 2,747,167.83 × 1,131,228.06
  4. Step 4: Simplify right side
    1,990,787.10x = 3,107,673,334,825.31
  5. Step 5: Solve for x
    x = 3,107,673,334,825.31/1,990,787.10
  6. Step 6: Final answer
    x = 1,561,027.46

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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.