Finding the Fourth Proportional to 5,448,275.96, 8,172,413.88 and 2,568,972.56
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Solution
The fourth proportional to 5,448,275.96, 8,172,413.88 and 2,568,972.56 is: 3,853,458.81
Step by Step Solution
- Step 1: Write the proportion equation
5,448,275.96 : 8,172,413.88 = 2,568,972.56 : x - Step 2: Convert to fraction form
5,448,275.96/8,172,413.88 = 2,568,972.56/x - Step 3: Cross multiply
5,448,275.96x = 8,172,413.88 × 2,568,972.56 - Step 4: Simplify right side
5,448,275.96x = 20,994,707,006,683.13 - Step 5: Solve for x
x = 20,994,707,006,683.13/5,448,275.96 - Step 6: Final answer
x = 3,853,458.81
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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.