Finding the Fourth Proportional to 5,093,514.16, 7,028,902.88 and 2,801,674.80
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Solution
The fourth proportional to 5,093,514.16, 7,028,902.88 and 2,801,674.80 is: 3,866,230.55
Step by Step Solution
- Step 1: Write the proportion equation
5,093,514.16 : 7,028,902.88 = 2,801,674.80 : x - Step 2: Convert to fraction form
5,093,514.16/7,028,902.88 = 2,801,674.80/x - Step 3: Cross multiply
5,093,514.16x = 7,028,902.88 × 2,801,674.80 - Step 4: Simplify right side
5,093,514.16x = 19,692,700,070,543.42 - Step 5: Solve for x
x = 19,692,700,070,543.42/5,093,514.16 - Step 6: Final answer
x = 3,866,230.55
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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.