Finding the Fourth Proportional to 2,161,187.99, 2,982,185.66 and 1,194,260.61
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Solution
The fourth proportional to 2,161,187.99, 2,982,185.66 and 1,194,260.61 is: 1,647,939.41
Step by Step Solution
- Step 1: Write the proportion equation
2,161,187.99 : 2,982,185.66 = 1,194,260.61 : x - Step 2: Convert to fraction form
2,161,187.99/2,982,185.66 = 1,194,260.61/x - Step 3: Cross multiply
2,161,187.99x = 2,982,185.66 × 1,194,260.61 - Step 4: Simplify right side
2,161,187.99x = 3,561,506,865,444.85 - Step 5: Solve for x
x = 3,561,506,865,444.85/2,161,187.99 - Step 6: Final answer
x = 1,647,939.41
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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.