Finding the Fourth Proportional to 3,876,976.87, 5,815,466.94 and 1,744,570.06
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Solution
The fourth proportional to 3,876,976.87, 5,815,466.94 and 1,744,570.06 is: 2,616,855.83
Step by Step Solution
- Step 1: Write the proportion equation
3,876,976.87 : 5,815,466.94 = 1,744,570.06 : x - Step 2: Convert to fraction form
3,876,976.87/5,815,466.94 = 1,744,570.06/x - Step 3: Cross multiply
3,876,976.87x = 5,815,466.94 × 1,744,570.06 - Step 4: Simplify right side
3,876,976.87x = 10,145,489,508,443.82 - Step 5: Solve for x
x = 10,145,489,508,443.82/3,876,976.87 - Step 6: Final answer
x = 2,616,855.83
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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.