Finding the Fourth Proportional to 3,759,081.60, 5,187,537.64 and 2,040,202.14
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Solution
The fourth proportional to 3,759,081.60, 5,187,537.64 and 2,040,202.14 is: 2,815,481.68
Step by Step Solution
- Step 1: Write the proportion equation
3,759,081.60 : 5,187,537.64 = 2,040,202.14 : x - Step 2: Convert to fraction form
3,759,081.60/5,187,537.64 = 2,040,202.14/x - Step 3: Cross multiply
3,759,081.60x = 5,187,537.64 × 2,040,202.14 - Step 4: Simplify right side
3,759,081.60x = 10,583,625,394,458.55 - Step 5: Solve for x
x = 10,583,625,394,458.55/3,759,081.60 - Step 6: Final answer
x = 2,815,481.68
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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.