Finding the Fourth Proportional to 1,995,539, 2,993,334.42 and 665,843
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Solution
The fourth proportional to 1,995,539, 2,993,334.42 and 665,843 is: 998,773.15
Step by Step Solution
- Step 1: Write the proportion equation
1,995,539 : 2,993,334.42 = 665,843 : x - Step 2: Convert to fraction form
1,995,539/2,993,334.42 = 665,843/x - Step 3: Cross multiply
1,995,539x = 2,993,334.42 × 665,843 - Step 4: Simplify right side
1,995,539x = 1,993,090,770,216.06 - Step 5: Solve for x
x = 1,993,090,770,216.06/1,995,539 - Step 6: Final answer
x = 998,773.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.