Finding the Fourth Proportional to 5,392,770.05, 7,437,093.98 and 4,215,524.42
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Solution
The fourth proportional to 5,392,770.05, 7,437,093.98 and 4,215,524.42 is: 5,813,570.94
Step by Step Solution
- Step 1: Write the proportion equation
5,392,770.05 : 7,437,093.98 = 4,215,524.42 : x - Step 2: Convert to fraction form
5,392,770.05/7,437,093.98 = 4,215,524.42/x - Step 3: Cross multiply
5,392,770.05x = 7,437,093.98 × 4,215,524.42 - Step 4: Simplify right side
5,392,770.05x = 31,351,251,228,261.90 - Step 5: Solve for x
x = 31,351,251,228,261.90/5,392,770.05 - Step 6: Final answer
x = 5,813,570.94
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1.5x scale
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.