Finding the Fourth Proportional to 5,376,519.98, 8,061,469.09 and 2,640,587.84
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Solution
The fourth proportional to 5,376,519.98, 8,061,469.09 and 2,640,587.84 is: 3,959,255.68
Step by Step Solution
- Step 1: Write the proportion equation
5,376,519.98 : 8,061,469.09 = 2,640,587.84 : x - Step 2: Convert to fraction form
5,376,519.98/8,061,469.09 = 2,640,587.84/x - Step 3: Cross multiply
5,376,519.98x = 8,061,469.09 × 2,640,587.84 - Step 4: Simplify right side
5,376,519.98x = 21,287,017,251,589.86 - Step 5: Solve for x
x = 21,287,017,251,589.86/5,376,519.98 - Step 6: Final answer
x = 3,959,255.68
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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.