Finding the Fourth Proportional to 5,465,149.29, 7,542,570.99 and 3,173,309.97
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Solution
The fourth proportional to 5,465,149.29, 7,542,570.99 and 3,173,309.97 is: 4,379,553.87
Step by Step Solution
- Step 1: Write the proportion equation
5,465,149.29 : 7,542,570.99 = 3,173,309.97 : x - Step 2: Convert to fraction form
5,465,149.29/7,542,570.99 = 3,173,309.97/x - Step 3: Cross multiply
5,465,149.29x = 7,542,570.99 × 3,173,309.97 - Step 4: Simplify right side
5,465,149.29x = 23,934,915,721,999.77 - Step 5: Solve for x
x = 23,934,915,721,999.77/5,465,149.29 - Step 6: Final answer
x = 4,379,553.87
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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.