Finding the Fourth Proportional to 2,057,906.70, 3,086,860.05 and 2,018,540.70
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Solution
The fourth proportional to 2,057,906.70, 3,086,860.05 and 2,018,540.70 is: 3,027,811.05
Step by Step Solution
- Step 1: Write the proportion equation
2,057,906.70 : 3,086,860.05 = 2,018,540.70 : x - Step 2: Convert to fraction form
2,057,906.70/3,086,860.05 = 2,018,540.70/x - Step 3: Cross multiply
2,057,906.70x = 3,086,860.05 × 2,018,540.70 - Step 4: Simplify right side
2,057,906.70x = 6,230,952,646,129.03 - Step 5: Solve for x
x = 6,230,952,646,129.03/2,057,906.70 - Step 6: Final answer
x = 3,027,811.05
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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.