Finding the Fourth Proportional to 3,843,157.91, 5,304,085.27 and 2,211,531.98
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Solution
The fourth proportional to 3,843,157.91, 5,304,085.27 and 2,211,531.98 is: 3,052,217.59
Step by Step Solution
- Step 1: Write the proportion equation
3,843,157.91 : 5,304,085.27 = 2,211,531.98 : x - Step 2: Convert to fraction form
3,843,157.91/5,304,085.27 = 2,211,531.98/x - Step 3: Cross multiply
3,843,157.91x = 5,304,085.27 × 2,211,531.98 - Step 4: Simplify right side
3,843,157.91x = 11,730,154,167,202.68 - Step 5: Solve for x
x = 11,730,154,167,202.68/3,843,157.91 - Step 6: Final answer
x = 3,052,217.59
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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.