Finding the Fourth Proportional to 1,764,745.82, 2,647,413.99 and 1,385,651.26
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Solution
The fourth proportional to 1,764,745.82, 2,647,413.99 and 1,385,651.26 is: 2,078,708.72
Step by Step Solution
- Step 1: Write the proportion equation
1,764,745.82 : 2,647,413.99 = 1,385,651.26 : x - Step 2: Convert to fraction form
1,764,745.82/2,647,413.99 = 1,385,651.26/x - Step 3: Cross multiply
1,764,745.82x = 2,647,413.99 × 1,385,651.26 - Step 4: Simplify right side
1,764,745.82x = 3,668,392,530,985.13 - Step 5: Solve for x
x = 3,668,392,530,985.13/1,764,745.82 - Step 6: Final answer
x = 2,078,708.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.