Finding the Fourth Proportional to 4,376,967.92, 6,040,728.24 and 3,640,623.20
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Solution
The fourth proportional to 4,376,967.92, 6,040,728.24 and 3,640,623.20 is: 5,024,486.31
Step by Step Solution
- Step 1: Write the proportion equation
4,376,967.92 : 6,040,728.24 = 3,640,623.20 : x - Step 2: Convert to fraction form
4,376,967.92/6,040,728.24 = 3,640,623.20/x - Step 3: Cross multiply
4,376,967.92x = 6,040,728.24 × 3,640,623.20 - Step 4: Simplify right side
4,376,967.92x = 21,992,015,375,439.17 - Step 5: Solve for x
x = 21,992,015,375,439.17/4,376,967.92 - Step 6: Final answer
x = 5,024,486.31
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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.