Finding the Fourth Proportional to 3,418,601.36, 5,123,702.84 and 1,919,544.08
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Solution
The fourth proportional to 3,418,601.36, 5,123,702.84 and 1,919,544.08 is: 2,876,958.27
Step by Step Solution
- Step 1: Write the proportion equation
3,418,601.36 : 5,123,702.84 = 1,919,544.08 : x - Step 2: Convert to fraction form
3,418,601.36/5,123,702.84 = 1,919,544.08/x - Step 3: Cross multiply
3,418,601.36x = 5,123,702.84 × 1,919,544.08 - Step 4: Simplify right side
3,418,601.36x = 9,835,173,454,201.19 - Step 5: Solve for x
x = 9,835,173,454,201.19/3,418,601.36 - Step 6: Final answer
x = 2,876,958.27
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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.