Finding the Fourth Proportional to 3,694,265.20, 5,541,397.80 and 3,442,322.80
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Solution
The fourth proportional to 3,694,265.20, 5,541,397.80 and 3,442,322.80 is: 5,163,484.20
Step by Step Solution
- Step 1: Write the proportion equation
3,694,265.20 : 5,541,397.80 = 3,442,322.80 : x - Step 2: Convert to fraction form
3,694,265.20/5,541,397.80 = 3,442,322.80/x - Step 3: Cross multiply
3,694,265.20x = 5,541,397.80 × 3,442,322.80 - Step 4: Simplify right side
3,694,265.20x = 19,075,279,990,809.84 - Step 5: Solve for x
x = 19,075,279,990,809.84/3,694,265.20 - Step 6: Final answer
x = 5,163,484.20
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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.