Finding the Fourth Proportional to 2,252,115.38, 3,107,920.90 and 1,219,631.18
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Solution
The fourth proportional to 2,252,115.38, 3,107,920.90 and 1,219,631.18 is: 1,683,091.94
Step by Step Solution
- Step 1: Write the proportion equation
2,252,115.38 : 3,107,920.90 = 1,219,631.18 : x - Step 2: Convert to fraction form
2,252,115.38/3,107,920.90 = 1,219,631.18/x - Step 3: Cross multiply
2,252,115.38x = 3,107,920.90 × 1,219,631.18 - Step 4: Simplify right side
2,252,115.38x = 3,790,517,234,613.66 - Step 5: Solve for x
x = 3,790,517,234,613.66/2,252,115.38 - Step 6: Final answer
x = 1,683,091.94
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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.