Finding the Fourth Proportional to 5,769,853.82, 7,961,902.26 and 3,190,892.66
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Solution
The fourth proportional to 5,769,853.82, 7,961,902.26 and 3,190,892.66 is: 4,403,157.56
Step by Step Solution
- Step 1: Write the proportion equation
5,769,853.82 : 7,961,902.26 = 3,190,892.66 : x - Step 2: Convert to fraction form
5,769,853.82/7,961,902.26 = 3,190,892.66/x - Step 3: Cross multiply
5,769,853.82x = 7,961,902.26 × 3,190,892.66 - Step 4: Simplify right side
5,769,853.82x = 25,405,575,481,071.41 - Step 5: Solve for x
x = 25,405,575,481,071.41/5,769,853.82 - Step 6: Final answer
x = 4,403,157.56
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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.