Finding the Fourth Proportional to 3,752,424.91, 5,178,901.81 and 2,375,896.37
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Solution
The fourth proportional to 3,752,424.91, 5,178,901.81 and 2,375,896.37 is: 3,279,088.66
Step by Step Solution
- Step 1: Write the proportion equation
3,752,424.91 : 5,178,901.81 = 2,375,896.37 : x - Step 2: Convert to fraction form
3,752,424.91/5,178,901.81 = 2,375,896.37/x - Step 3: Cross multiply
3,752,424.91x = 5,178,901.81 × 2,375,896.37 - Step 4: Simplify right side
3,752,424.91x = 12,304,533,979,131.18 - Step 5: Solve for x
x = 12,304,533,979,131.18/3,752,424.91 - Step 6: Final answer
x = 3,279,088.66
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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.