Finding the Fourth Proportional to 2,162,517.39, 2,984,236.97 and 1,543,462.45
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Solution
The fourth proportional to 2,162,517.39, 2,984,236.97 and 1,543,462.45 is: 2,129,951.75
Step by Step Solution
- Step 1: Write the proportion equation
2,162,517.39 : 2,984,236.97 = 1,543,462.45 : x - Step 2: Convert to fraction form
2,162,517.39/2,984,236.97 = 1,543,462.45/x - Step 3: Cross multiply
2,162,517.39x = 2,984,236.97 × 1,543,462.45 - Step 4: Simplify right side
2,162,517.39x = 4,606,057,689,918.87 - Step 5: Solve for x
x = 4,606,057,689,918.87/2,162,517.39 - Step 6: Final answer
x = 2,129,951.75
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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.