Finding the Fourth Proportional to 5,135,348, 7,086,693.62 and 2,843,459.48
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Solution
The fourth proportional to 5,135,348, 7,086,693.62 and 2,843,459.48 is: 3,923,926.12
Step by Step Solution
- Step 1: Write the proportion equation
5,135,348 : 7,086,693.62 = 2,843,459.48 : x - Step 2: Convert to fraction form
5,135,348/7,086,693.62 = 2,843,459.48/x - Step 3: Cross multiply
5,135,348x = 7,086,693.62 × 2,843,459.48 - Step 4: Simplify right side
5,135,348x = 20,150,726,141,427.22 - Step 5: Solve for x
x = 20,150,726,141,427.22/5,135,348 - Step 6: Final answer
x = 3,923,926.12
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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.