Finding the Fourth Proportional to 5,761,520.09, 7,941,663.35 and 3,900,348.70
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Solution
The fourth proportional to 5,761,520.09, 7,941,663.35 and 3,900,348.70 is: 5,376,229.85
Step by Step Solution
- Step 1: Write the proportion equation
5,761,520.09 : 7,941,663.35 = 3,900,348.70 : x - Step 2: Convert to fraction form
5,761,520.09/7,941,663.35 = 3,900,348.70/x - Step 3: Cross multiply
5,761,520.09x = 7,941,663.35 × 3,900,348.70 - Step 4: Simplify right side
5,761,520.09x = 30,975,256,283,654.24 - Step 5: Solve for x
x = 30,975,256,283,654.24/5,761,520.09 - Step 6: Final answer
x = 5,376,229.85
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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.