Finding the Fourth Proportional to 5,328,514.13, 7,353,524.45 and 2,914,066.13
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Solution
The fourth proportional to 5,328,514.13, 7,353,524.45 and 2,914,066.13 is: 4,021,506.93
Step by Step Solution
- Step 1: Write the proportion equation
5,328,514.13 : 7,353,524.45 = 2,914,066.13 : x - Step 2: Convert to fraction form
5,328,514.13/7,353,524.45 = 2,914,066.13/x - Step 3: Cross multiply
5,328,514.13x = 7,353,524.45 × 2,914,066.13 - Step 4: Simplify right side
5,328,514.13x = 21,428,656,506,389.42 - Step 5: Solve for x
x = 21,428,656,506,389.42/5,328,514.13 - Step 6: Final answer
x = 4,021,506.93
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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.