Finding the Fourth Proportional to 6,481,557.49, 9,724,413.20 and 4,538,310.26
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Solution
The fourth proportional to 6,481,557.49, 9,724,413.20 and 4,538,310.26 is: 6,808,919.66
Step by Step Solution
- Step 1: Write the proportion equation
6,481,557.49 : 9,724,413.20 = 4,538,310.26 : x - Step 2: Convert to fraction form
6,481,557.49/9,724,413.20 = 4,538,310.26/x - Step 3: Cross multiply
6,481,557.49x = 9,724,413.20 × 4,538,310.26 - Step 4: Simplify right side
6,481,557.49x = 44,132,404,198,039.43 - Step 5: Solve for x
x = 44,132,404,198,039.43/6,481,557.49 - Step 6: Final answer
x = 6,808,919.66
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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.