Finding the Fourth Proportional to 1,998,231.24, 2,757,553.22 and 1,080,453.84
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Solution
The fourth proportional to 1,998,231.24, 2,757,553.22 and 1,080,453.84 is: 1,491,023.11
Step by Step Solution
- Step 1: Write the proportion equation
1,998,231.24 : 2,757,553.22 = 1,080,453.84 : x - Step 2: Convert to fraction form
1,998,231.24/2,757,553.22 = 1,080,453.84/x - Step 3: Cross multiply
1,998,231.24x = 2,757,553.22 × 1,080,453.84 - Step 4: Simplify right side
1,998,231.24x = 2,979,408,965,553.37 - Step 5: Solve for x
x = 2,979,408,965,553.37/1,998,231.24 - Step 6: Final answer
x = 1,491,023.11
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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.