Finding the Fourth Proportional to 5,786,836.68, 7,982,174.41 and 3,718,296.90
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Solution
The fourth proportional to 5,786,836.68, 7,982,174.41 and 3,718,296.90 is: 5,128,897.88
Step by Step Solution
- Step 1: Write the proportion equation
5,786,836.68 : 7,982,174.41 = 3,718,296.90 : x - Step 2: Convert to fraction form
5,786,836.68/7,982,174.41 = 3,718,296.90/x - Step 3: Cross multiply
5,786,836.68x = 7,982,174.41 × 3,718,296.90 - Step 4: Simplify right side
5,786,836.68x = 29,680,094,375,582.01 - Step 5: Solve for x
x = 29,680,094,375,582.01/5,786,836.68 - Step 6: Final answer
x = 5,128,897.88
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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.