Finding the Fourth Proportional to 4,206,163.12, 6,306,717.69 and 1,644,326.81
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Solution
The fourth proportional to 4,206,163.12, 6,306,717.69 and 1,644,326.81 is: 2,465,502.33
Step by Step Solution
- Step 1: Write the proportion equation
4,206,163.12 : 6,306,717.69 = 1,644,326.81 : x - Step 2: Convert to fraction form
4,206,163.12/6,306,717.69 = 1,644,326.81/x - Step 3: Cross multiply
4,206,163.12x = 6,306,717.69 × 1,644,326.81 - Step 4: Simplify right side
4,206,163.12x = 10,370,304,980,768.27 - Step 5: Solve for x
x = 10,370,304,980,768.27/4,206,163.12 - Step 6: Final answer
x = 2,465,502.33
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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.