Finding the Fourth Proportional to 3,117,625.05, 4,676,437.58 and 2,660,979.45
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Solution
The fourth proportional to 3,117,625.05, 4,676,437.58 and 2,660,979.45 is: 3,991,469.18
Step by Step Solution
- Step 1: Write the proportion equation
3,117,625.05 : 4,676,437.58 = 2,660,979.45 : x - Step 2: Convert to fraction form
3,117,625.05/4,676,437.58 = 2,660,979.45/x - Step 3: Cross multiply
3,117,625.05x = 4,676,437.58 × 2,660,979.45 - Step 4: Simplify right side
3,117,625.05x = 12,443,904,286,282.84 - Step 5: Solve for x
x = 12,443,904,286,282.84/3,117,625.05 - Step 6: Final answer
x = 3,991,469.18
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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.