Finding the Fourth Proportional to 3,888,198.12, 5,832,331.82 and 1,192,535.92
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Solution
The fourth proportional to 3,888,198.12, 5,832,331.82 and 1,192,535.92 is: 1,788,814.50
Step by Step Solution
- Step 1: Write the proportion equation
3,888,198.12 : 5,832,331.82 = 1,192,535.92 : x - Step 2: Convert to fraction form
3,888,198.12/5,832,331.82 = 1,192,535.92/x - Step 3: Cross multiply
3,888,198.12x = 5,832,331.82 × 1,192,535.92 - Step 4: Simplify right side
3,888,198.12x = 6,955,265,192,708.98 - Step 5: Solve for x
x = 6,955,265,192,708.98/3,888,198.12 - Step 6: Final answer
x = 1,788,814.50
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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.