Finding the Fourth Proportional to 3,200,272.44, 4,800,413.52 and 1,307,013.88
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Solution
The fourth proportional to 3,200,272.44, 4,800,413.52 and 1,307,013.88 is: 1,960,522.80
Step by Step Solution
- Step 1: Write the proportion equation
3,200,272.44 : 4,800,413.52 = 1,307,013.88 : x - Step 2: Convert to fraction form
3,200,272.44/4,800,413.52 = 1,307,013.88/x - Step 3: Cross multiply
3,200,272.44x = 4,800,413.52 × 1,307,013.88 - Step 4: Simplify right side
3,200,272.44x = 6,274,207,103,647.19 - Step 5: Solve for x
x = 6,274,207,103,647.19/3,200,272.44 - Step 6: Final answer
x = 1,960,522.80
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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.