Finding the Fourth Proportional to 5,580,131.97, 7,700,050.18 and 3,132,181.97
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Solution
The fourth proportional to 5,580,131.97, 7,700,050.18 and 3,132,181.97 is: 4,322,112.54
Step by Step Solution
- Step 1: Write the proportion equation
5,580,131.97 : 7,700,050.18 = 3,132,181.97 : x - Step 2: Convert to fraction form
5,580,131.97/7,700,050.18 = 3,132,181.97/x - Step 3: Cross multiply
5,580,131.97x = 7,700,050.18 × 3,132,181.97 - Step 4: Simplify right side
5,580,131.97x = 24,117,958,341,891.25 - Step 5: Solve for x
x = 24,117,958,341,891.25/5,580,131.97 - Step 6: Final answer
x = 4,322,112.54
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1.5x scale
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.