Finding the Fourth Proportional to 3,876,966.87, 5,815,451.93 and 1,744,560.06
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Solution
The fourth proportional to 3,876,966.87, 5,815,451.93 and 1,744,560.06 is: 2,616,840.82
Step by Step Solution
- Step 1: Write the proportion equation
3,876,966.87 : 5,815,451.93 = 1,744,560.06 : x - Step 2: Convert to fraction form
3,876,966.87/5,815,451.93 = 1,744,560.06/x - Step 3: Cross multiply
3,876,966.87x = 5,815,451.93 × 1,744,560.06 - Step 4: Simplify right side
3,876,966.87x = 10,145,405,159,205.12 - Step 5: Solve for x
x = 10,145,405,159,205.12/3,876,966.87 - Step 6: Final answer
x = 2,616,840.82
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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.