Finding the Fourth Proportional to 4,737,899.92, 6,538,600.84 and 2,672,161.78
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Solution
The fourth proportional to 4,737,899.92, 6,538,600.84 and 2,672,161.78 is: 3,687,751.86
Step by Step Solution
- Step 1: Write the proportion equation
4,737,899.92 : 6,538,600.84 = 2,672,161.78 : x - Step 2: Convert to fraction form
4,737,899.92/6,538,600.84 = 2,672,161.78/x - Step 3: Cross multiply
4,737,899.92x = 6,538,600.84 × 2,672,161.78 - Step 4: Simplify right side
4,737,899.92x = 17,472,199,259,323.89 - Step 5: Solve for x
x = 17,472,199,259,323.89/4,737,899.92 - Step 6: Final answer
x = 3,687,751.86
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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.