Finding the Fourth Proportional to 6,512,215.80, 8,987,409.90 and 3,612,540.84
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Solution
The fourth proportional to 6,512,215.80, 8,987,409.90 and 3,612,540.84 is: 4,985,612.63
Step by Step Solution
- Step 1: Write the proportion equation
6,512,215.80 : 8,987,409.90 = 3,612,540.84 : x - Step 2: Convert to fraction form
6,512,215.80/8,987,409.90 = 3,612,540.84/x - Step 3: Cross multiply
6,512,215.80x = 8,987,409.90 × 3,612,540.84 - Step 4: Simplify right side
6,512,215.80x = 32,467,385,309,570.32 - Step 5: Solve for x
x = 32,467,385,309,570.32/6,512,215.80 - Step 6: Final answer
x = 4,985,612.63
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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.