Finding the Fourth Proportional to 3,117,367.10, 4,677,397.74 and 1,676,366.26
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Solution
The fourth proportional to 3,117,367.10, 4,677,397.74 and 1,676,366.26 is: 2,515,273.79
Step by Step Solution
- Step 1: Write the proportion equation
3,117,367.10 : 4,677,397.74 = 1,676,366.26 : x - Step 2: Convert to fraction form
3,117,367.10/4,677,397.74 = 1,676,366.26/x - Step 3: Cross multiply
3,117,367.10x = 4,677,397.74 × 1,676,366.26 - Step 4: Simplify right side
3,117,367.10x = 7,841,031,755,936.25 - Step 5: Solve for x
x = 7,841,031,755,936.25/3,117,367.10 - Step 6: Final answer
x = 2,515,273.79
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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.