Finding the Fourth Proportional to 5,942,128.24, 8,206,890.49 and 4,005,049.84
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Solution
The fourth proportional to 5,942,128.24, 8,206,890.49 and 4,005,049.84 is: 5,531,520.71
Step by Step Solution
- Step 1: Write the proportion equation
5,942,128.24 : 8,206,890.49 = 4,005,049.84 : x - Step 2: Convert to fraction form
5,942,128.24/8,206,890.49 = 4,005,049.84/x - Step 3: Cross multiply
5,942,128.24x = 8,206,890.49 × 4,005,049.84 - Step 4: Simplify right side
5,942,128.24x = 32,869,005,392,824.95 - Step 5: Solve for x
x = 32,869,005,392,824.95/5,942,128.24 - Step 6: Final answer
x = 5,531,520.71
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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.