Home / 1,980,083.38-2,971,374.49-842,843.76

Finding the Fourth Proportional to 1,980,083.38, 2,971,374.49 and 842,843.76

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Solution

The fourth proportional to 1,980,083.38, 2,971,374.49 and 842,843.76 is: 1,264,797.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,083.38 : 2,971,374.49 = 842,843.76 : x
  2. Step 2: Convert to fraction form
    1,980,083.38/2,971,374.49 = 842,843.76/x
  3. Step 3: Cross multiply
    1,980,083.38x = 2,971,374.49 × 842,843.76
  4. Step 4: Simplify right side
    1,980,083.38x = 2,504,404,442,198.36
  5. Step 5: Solve for x
    x = 2,504,404,442,198.36/1,980,083.38
  6. Step 6: Final answer
    x = 1,264,797.47

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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.