Finding the Fourth Proportional to 3,176,516.75, 4,383,578.71 and 1,726,184.75
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Solution
The fourth proportional to 3,176,516.75, 4,383,578.71 and 1,726,184.75 is: 2,382,127.12
Step by Step Solution
- Step 1: Write the proportion equation
3,176,516.75 : 4,383,578.71 = 1,726,184.75 : x - Step 2: Convert to fraction form
3,176,516.75/4,383,578.71 = 1,726,184.75/x - Step 3: Cross multiply
3,176,516.75x = 4,383,578.71 × 1,726,184.75 - Step 4: Simplify right side
3,176,516.75x = 7,566,866,693,393.32 - Step 5: Solve for x
x = 7,566,866,693,393.32/3,176,516.75 - Step 6: Final answer
x = 2,382,127.12
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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.