Finding the Fourth Proportional to 2,236,425.72, 3,086,186.49 and 1,366,715.45
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Solution
The fourth proportional to 2,236,425.72, 3,086,186.49 and 1,366,715.45 is: 1,886,017.82
Step by Step Solution
- Step 1: Write the proportion equation
2,236,425.72 : 3,086,186.49 = 1,366,715.45 : x - Step 2: Convert to fraction form
2,236,425.72/3,086,186.49 = 1,366,715.45/x - Step 3: Cross multiply
2,236,425.72x = 3,086,186.49 × 1,366,715.45 - Step 4: Simplify right side
2,236,425.72x = 4,217,938,757,464.27 - Step 5: Solve for x
x = 4,217,938,757,464.27/2,236,425.72 - Step 6: Final answer
x = 1,886,017.82
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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.