Finding the Fourth Proportional to 2,040,326.84, 2,811,186.06 and 1,350,828.92
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Solution
The fourth proportional to 2,040,326.84, 2,811,186.06 and 1,350,828.92 is: 1,861,187.80
Step by Step Solution
- Step 1: Write the proportion equation
2,040,326.84 : 2,811,186.06 = 1,350,828.92 : x - Step 2: Convert to fraction form
2,040,326.84/2,811,186.06 = 1,350,828.92/x - Step 3: Cross multiply
2,040,326.84x = 2,811,186.06 × 1,350,828.92 - Step 4: Simplify right side
2,040,326.84x = 3,797,431,429,348.86 - Step 5: Solve for x
x = 3,797,431,429,348.86/2,040,326.84 - Step 6: Final answer
x = 1,861,187.80
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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.