Home / 2,382,391.78-3,287,689.84-1,294,642.78

Finding the Fourth Proportional to 2,382,391.78, 3,287,689.84 and 1,294,642.78

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Solution

The fourth proportional to 2,382,391.78, 3,287,689.84 and 1,294,642.78 is: 1,786,601.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382,391.78 : 3,287,689.84 = 1,294,642.78 : x
  2. Step 2: Convert to fraction form
    2,382,391.78/3,287,689.84 = 1,294,642.78/x
  3. Step 3: Cross multiply
    2,382,391.78x = 3,287,689.84 × 1,294,642.78
  4. Step 4: Simplify right side
    2,382,391.78x = 4,256,383,914,235.36
  5. Step 5: Solve for x
    x = 4,256,383,914,235.36/2,382,391.78
  6. Step 6: Final answer
    x = 1,786,601.16

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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.