Finding the Fourth Proportional to 1,998,228.24, 2,757,549.08 and 1,080,450.84
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Solution
The fourth proportional to 1,998,228.24, 2,757,549.08 and 1,080,450.84 is: 1,491,018.97
Step by Step Solution
- Step 1: Write the proportion equation
1,998,228.24 : 2,757,549.08 = 1,080,450.84 : x - Step 2: Convert to fraction form
1,998,228.24/2,757,549.08 = 1,080,450.84/x - Step 3: Cross multiply
1,998,228.24x = 2,757,549.08 × 1,080,450.84 - Step 4: Simplify right side
1,998,228.24x = 2,979,396,219,827.23 - Step 5: Solve for x
x = 2,979,396,219,827.23/1,998,228.24 - Step 6: Final answer
x = 1,491,018.97
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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.