Finding the Fourth Proportional to 5,486,636.70, 7,574,184.18 and 3,654,144.54
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Solution
The fourth proportional to 5,486,636.70, 7,574,184.18 and 3,654,144.54 is: 5,044,468.09
Step by Step Solution
- Step 1: Write the proportion equation
5,486,636.70 : 7,574,184.18 = 3,654,144.54 : x - Step 2: Convert to fraction form
5,486,636.70/7,574,184.18 = 3,654,144.54/x - Step 3: Cross multiply
5,486,636.70x = 7,574,184.18 × 3,654,144.54 - Step 4: Simplify right side
5,486,636.70x = 27,677,163,766,301.38 - Step 5: Solve for x
x = 27,677,163,766,301.38/5,486,636.70 - Step 6: Final answer
x = 5,044,468.09
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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.