Finding the Fourth Proportional to 3,276,578.08, 4,521,600.69 and 1,900,167.76
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Solution
The fourth proportional to 3,276,578.08, 4,521,600.69 and 1,900,167.76 is: 2,622,186.82
Step by Step Solution
- Step 1: Write the proportion equation
3,276,578.08 : 4,521,600.69 = 1,900,167.76 : x - Step 2: Convert to fraction form
3,276,578.08/4,521,600.69 = 1,900,167.76/x - Step 3: Cross multiply
3,276,578.08x = 4,521,600.69 × 1,900,167.76 - Step 4: Simplify right side
3,276,578.08x = 8,591,799,854,731.76 - Step 5: Solve for x
x = 8,591,799,854,731.76/3,276,578.08 - Step 6: Final answer
x = 2,622,186.82
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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.