Finding the Fourth Proportional to 5,751,370.88, 7,936,837.04 and 3,173,072.48
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Solution
The fourth proportional to 5,751,370.88, 7,936,837.04 and 3,173,072.48 is: 4,378,809.80
Step by Step Solution
- Step 1: Write the proportion equation
5,751,370.88 : 7,936,837.04 = 3,173,072.48 : x - Step 2: Convert to fraction form
5,751,370.88/7,936,837.04 = 3,173,072.48/x - Step 3: Cross multiply
5,751,370.88x = 7,936,837.04 × 3,173,072.48 - Step 4: Simplify right side
5,751,370.88x = 25,184,159,189,868.66 - Step 5: Solve for x
x = 25,184,159,189,868.66/5,751,370.88 - Step 6: Final answer
x = 4,378,809.80
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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.