Finding the Fourth Proportional to 4,168,827.68, 5,748,413.75 and 2,715,828.62
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Solution
The fourth proportional to 4,168,827.68, 5,748,413.75 and 2,715,828.62 is: 3,744,867.32
Step by Step Solution
- Step 1: Write the proportion equation
4,168,827.68 : 5,748,413.75 = 2,715,828.62 : x - Step 2: Convert to fraction form
4,168,827.68/5,748,413.75 = 2,715,828.62/x - Step 3: Cross multiply
4,168,827.68x = 5,748,413.75 × 2,715,828.62 - Step 4: Simplify right side
4,168,827.68x = 15,611,706,539,530.31 - Step 5: Solve for x
x = 15,611,706,539,530.31/4,168,827.68 - Step 6: Final answer
x = 3,744,867.32
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1.5x scale
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.