Finding the Fourth Proportional to 5,534,514.66, 7,637,820.17 and 3,211,231.76
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Solution
The fourth proportional to 5,534,514.66, 7,637,820.17 and 3,211,231.76 is: 4,431,610.04
Step by Step Solution
- Step 1: Write the proportion equation
5,534,514.66 : 7,637,820.17 = 3,211,231.76 : x - Step 2: Convert to fraction form
5,534,514.66/7,637,820.17 = 3,211,231.76/x - Step 3: Cross multiply
5,534,514.66x = 7,637,820.17 × 3,211,231.76 - Step 4: Simplify right side
5,534,514.66x = 24,526,810,707,072.60 - Step 5: Solve for x
x = 24,526,810,707,072.60/5,534,514.66 - Step 6: Final answer
x = 4,431,610.04
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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.