Finding the Fourth Proportional to 5,701,826.56, 7,868,523.84 and 3,123,600.64
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Solution
The fourth proportional to 5,701,826.56, 7,868,523.84 and 3,123,600.64 is: 4,310,570.63
Step by Step Solution
- Step 1: Write the proportion equation
5,701,826.56 : 7,868,523.84 = 3,123,600.64 : x - Step 2: Convert to fraction form
5,701,826.56/7,868,523.84 = 3,123,600.64/x - Step 3: Cross multiply
5,701,826.56x = 7,868,523.84 × 3,123,600.64 - Step 4: Simplify right side
5,701,826.56x = 24,578,126,102,479.26 - Step 5: Solve for x
x = 24,578,126,102,479.26/5,701,826.56 - Step 6: Final answer
x = 4,310,570.63
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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.