Finding the Fourth Proportional to 5,751,917.68, 7,940,522.76 and 3,577,161.44
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Solution
The fourth proportional to 5,751,917.68, 7,940,522.76 and 3,577,161.44 is: 4,938,271.62
Step by Step Solution
- Step 1: Write the proportion equation
5,751,917.68 : 7,940,522.76 = 3,577,161.44 : x - Step 2: Convert to fraction form
5,751,917.68/7,940,522.76 = 3,577,161.44/x - Step 3: Cross multiply
5,751,917.68x = 7,940,522.76 × 3,577,161.44 - Step 4: Simplify right side
5,751,917.68x = 28,404,531,830,514.38 - Step 5: Solve for x
x = 28,404,531,830,514.38/5,751,917.68 - Step 6: Final answer
x = 4,938,271.62
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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.