Finding the Fourth Proportional to 2,135,413.93, 2,946,870.94 and 1,168,544.33
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Solution
The fourth proportional to 2,135,413.93, 2,946,870.94 and 1,168,544.33 is: 1,612,591.02
Step by Step Solution
- Step 1: Write the proportion equation
2,135,413.93 : 2,946,870.94 = 1,168,544.33 : x - Step 2: Convert to fraction form
2,135,413.93/2,946,870.94 = 1,168,544.33/x - Step 3: Cross multiply
2,135,413.93x = 2,946,870.94 × 1,168,544.33 - Step 4: Simplify right side
2,135,413.93x = 3,443,549,322,336.05 - Step 5: Solve for x
x = 3,443,549,322,336.05/2,135,413.93 - Step 6: Final answer
x = 1,612,591.02
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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.