Finding the Fourth Proportional to 3,694,431.36, 5,542,175.90 and 1,135,861.13
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Solution
The fourth proportional to 3,694,431.36, 5,542,175.90 and 1,135,861.13 is: 1,703,954.29
Step by Step Solution
- Step 1: Write the proportion equation
3,694,431.36 : 5,542,175.90 = 1,135,861.13 : x - Step 2: Convert to fraction form
3,694,431.36/5,542,175.90 = 1,135,861.13/x - Step 3: Cross multiply
3,694,431.36x = 5,542,175.90 × 1,135,861.13 - Step 4: Simplify right side
3,694,431.36x = 6,295,142,162,758.51 - Step 5: Solve for x
x = 6,295,142,162,758.51/3,694,431.36 - Step 6: Final answer
x = 1,703,954.29
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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.