Home / 1,807,587.89-2,494,517.19-991,791.35

Finding the Fourth Proportional to 1,807,587.89, 2,494,517.19 and 991,791.35

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Solution

The fourth proportional to 1,807,587.89, 2,494,517.19 and 991,791.35 is: 1,368,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807,587.89 : 2,494,517.19 = 991,791.35 : x
  2. Step 2: Convert to fraction form
    1,807,587.89/2,494,517.19 = 991,791.35/x
  3. Step 3: Cross multiply
    1,807,587.89x = 2,494,517.19 × 991,791.35
  4. Step 4: Simplify right side
    1,807,587.89x = 2,474,040,577,704.60
  5. Step 5: Solve for x
    x = 2,474,040,577,704.60/1,807,587.89
  6. Step 6: Final answer
    x = 1,368,697.26

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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.