Finding the Fourth Proportional to 4,625,897.22, 6,910,731.81 and 2,993,366.49
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Solution
The fourth proportional to 4,625,897.22, 6,910,731.81 and 2,993,366.49 is: 4,471,857.47
Step by Step Solution
- Step 1: Write the proportion equation
4,625,897.22 : 6,910,731.81 = 2,993,366.49 : x - Step 2: Convert to fraction form
4,625,897.22/6,910,731.81 = 2,993,366.49/x - Step 3: Cross multiply
4,625,897.22x = 6,910,731.81 × 2,993,366.49 - Step 4: Simplify right side
4,625,897.22x = 20,686,353,021,431.05 - Step 5: Solve for x
x = 20,686,353,021,431.05/4,625,897.22 - Step 6: Final answer
x = 4,471,857.47
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.