Finding the Fourth Proportional to 2,734,413.12, 4,104,193.32 and 1,387,542.24
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Solution
The fourth proportional to 2,734,413.12, 4,104,193.32 and 1,387,542.24 is: 2,082,619.32
Step by Step Solution
- Step 1: Write the proportion equation
2,734,413.12 : 4,104,193.32 = 1,387,542.24 : x - Step 2: Convert to fraction form
2,734,413.12/4,104,193.32 = 1,387,542.24/x - Step 3: Cross multiply
2,734,413.12x = 4,104,193.32 × 1,387,542.24 - Step 4: Simplify right side
2,734,413.12x = 5,694,741,592,625.84 - Step 5: Solve for x
x = 5,694,741,592,625.84/2,734,413.12 - Step 6: Final answer
x = 2,082,619.32
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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.