Home / 2,409,863.80-3,612,273.54-811,874.68

Finding the Fourth Proportional to 2,409,863.80, 3,612,273.54 and 811,874.68

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Solution

The fourth proportional to 2,409,863.80, 3,612,273.54 and 811,874.68 is: 1,216,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409,863.80 : 3,612,273.54 = 811,874.68 : x
  2. Step 2: Convert to fraction form
    2,409,863.80/3,612,273.54 = 811,874.68/x
  3. Step 3: Cross multiply
    2,409,863.80x = 3,612,273.54 × 811,874.68
  4. Step 4: Simplify right side
    2,409,863.80x = 2,932,713,424,359.97
  5. Step 5: Solve for x
    x = 2,932,713,424,359.97/2,409,863.80
  6. Step 6: Final answer
    x = 1,216,962.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.