Home / 1,815,017.11-2,504,684.19-999,189.56

Finding the Fourth Proportional to 1,815,017.11, 2,504,684.19 and 999,189.56

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Solution

The fourth proportional to 1,815,017.11, 2,504,684.19 and 999,189.56 is: 1,378,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,017.11 : 2,504,684.19 = 999,189.56 : x
  2. Step 2: Convert to fraction form
    1,815,017.11/2,504,684.19 = 999,189.56/x
  3. Step 3: Cross multiply
    1,815,017.11x = 2,504,684.19 × 999,189.56
  4. Step 4: Simplify right side
    1,815,017.11x = 2,502,654,293,745.06
  5. Step 5: Solve for x
    x = 2,502,654,293,745.06/1,815,017.11
  6. Step 6: Final answer
    x = 1,378,859.89

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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.