Finding the Fourth Proportional to 5,618,319.73, 7,751,137.62 and 3,412,350.44
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Solution
The fourth proportional to 5,618,319.73, 7,751,137.62 and 3,412,350.44 is: 4,707,741.66
Step by Step Solution
- Step 1: Write the proportion equation
5,618,319.73 : 7,751,137.62 = 3,412,350.44 : x - Step 2: Convert to fraction form
5,618,319.73/7,751,137.62 = 3,412,350.44/x - Step 3: Cross multiply
5,618,319.73x = 7,751,137.62 × 3,412,350.44 - Step 4: Simplify right side
5,618,319.73x = 26,449,597,829,351.87 - Step 5: Solve for x
x = 26,449,597,829,351.87/5,618,319.73 - Step 6: Final answer
x = 4,707,741.66
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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.