Finding the Fourth Proportional to 5,015,531.62, 7,520,926.14 and 1,942,961.62
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Solution
The fourth proportional to 5,015,531.62, 7,520,926.14 and 1,942,961.62 is: 2,913,523.82
Step by Step Solution
- Step 1: Write the proportion equation
5,015,531.62 : 7,520,926.14 = 1,942,961.62 : x - Step 2: Convert to fraction form
5,015,531.62/7,520,926.14 = 1,942,961.62/x - Step 3: Cross multiply
5,015,531.62x = 7,520,926.14 × 1,942,961.62 - Step 4: Simplify right side
5,015,531.62x = 14,612,870,836,874.75 - Step 5: Solve for x
x = 14,612,870,836,874.75/5,015,531.62 - Step 6: Final answer
x = 2,913,523.82
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1.5x scale
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.