Finding the Fourth Proportional to 3,759,825.12, 5,188,420.08 and 2,040,907.92
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Solution
The fourth proportional to 3,759,825.12, 5,188,420.08 and 2,040,907.92 is: 2,816,377.70
Step by Step Solution
- Step 1: Write the proportion equation
3,759,825.12 : 5,188,420.08 = 2,040,907.92 : x - Step 2: Convert to fraction form
3,759,825.12/5,188,420.08 = 2,040,907.92/x - Step 3: Cross multiply
3,759,825.12x = 5,188,420.08 × 2,040,907.92 - Step 4: Simplify right side
3,759,825.12x = 10,589,087,633,559.03 - Step 5: Solve for x
x = 10,589,087,633,559.03/3,759,825.12 - Step 6: Final answer
x = 2,816,377.70
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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.