Finding the Fourth Proportional to 5,682,645.88, 8,524,042.70 and 1,896,128.75
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Solution
The fourth proportional to 5,682,645.88, 8,524,042.70 and 1,896,128.75 is: 2,844,217.78
Step by Step Solution
- Step 1: Write the proportion equation
5,682,645.88 : 8,524,042.70 = 1,896,128.75 : x - Step 2: Convert to fraction form
5,682,645.88/8,524,042.70 = 1,896,128.75/x - Step 3: Cross multiply
5,682,645.88x = 8,524,042.70 × 1,896,128.75 - Step 4: Simplify right side
5,682,645.88x = 16,162,682,441,527.09 - Step 5: Solve for x
x = 16,162,682,441,527.09/5,682,645.88 - Step 6: Final answer
x = 2,844,217.78
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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.