Finding the Fourth Proportional to 5,645,796.06, 7,790,944.62 and 3,198,357.16
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Solution
The fourth proportional to 5,645,796.06, 7,790,944.62 and 3,198,357.16 is: 4,413,589.02
Step by Step Solution
- Step 1: Write the proportion equation
5,645,796.06 : 7,790,944.62 = 3,198,357.16 : x - Step 2: Convert to fraction form
5,645,796.06/7,790,944.62 = 3,198,357.16/x - Step 3: Cross multiply
5,645,796.06x = 7,790,944.62 × 3,198,357.16 - Step 4: Simplify right side
5,645,796.06x = 24,918,223,508,540.48 - Step 5: Solve for x
x = 24,918,223,508,540.48/5,645,796.06 - Step 6: Final answer
x = 4,413,589.02
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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.