Finding the Fourth Proportional to 5,412,306.70, 7,468,986.24 and 2,965,006.30
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Solution
The fourth proportional to 5,412,306.70, 7,468,986.24 and 2,965,006.30 is: 4,091,710.33
Step by Step Solution
- Step 1: Write the proportion equation
5,412,306.70 : 7,468,986.24 = 2,965,006.30 : x - Step 2: Convert to fraction form
5,412,306.70/7,468,986.24 = 2,965,006.30/x - Step 3: Cross multiply
5,412,306.70x = 7,468,986.24 × 2,965,006.30 - Step 4: Simplify right side
5,412,306.70x = 22,145,591,256,213.31 - Step 5: Solve for x
x = 22,145,591,256,213.31/5,412,306.70 - Step 6: Final answer
x = 4,091,710.33
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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.