Finding the Fourth Proportional to 2,079,145.93, 2,869,231.37 and 1,161,413.75
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Solution
The fourth proportional to 2,079,145.93, 2,869,231.37 and 1,161,413.75 is: 1,602,756.56
Step by Step Solution
- Step 1: Write the proportion equation
2,079,145.93 : 2,869,231.37 = 1,161,413.75 : x - Step 2: Convert to fraction form
2,079,145.93/2,869,231.37 = 1,161,413.75/x - Step 3: Cross multiply
2,079,145.93x = 2,869,231.37 × 1,161,413.75 - Step 4: Simplify right side
2,079,145.93x = 3,332,364,775,125.95 - Step 5: Solve for x
x = 3,332,364,775,125.95/2,079,145.93 - Step 6: Final answer
x = 1,602,756.56
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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.