Finding the Fourth Proportional to 2,304,660.79, 3,180,413.97 and 1,272,168.90
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Solution
The fourth proportional to 2,304,660.79, 3,180,413.97 and 1,272,168.90 is: 1,755,583.19
Step by Step Solution
- Step 1: Write the proportion equation
2,304,660.79 : 3,180,413.97 = 1,272,168.90 : x - Step 2: Convert to fraction form
2,304,660.79/3,180,413.97 = 1,272,168.90/x - Step 3: Cross multiply
2,304,660.79x = 3,180,413.97 × 1,272,168.90 - Step 4: Simplify right side
2,304,660.79x = 4,046,023,741,759.53 - Step 5: Solve for x
x = 4,046,023,741,759.53/2,304,660.79 - Step 6: Final answer
x = 1,755,583.19
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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.