Finding the Fourth Proportional to 3,543,813.24, 4,890,208.38 and 1,994,994.84
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Solution
The fourth proportional to 3,543,813.24, 4,890,208.38 and 1,994,994.84 is: 2,752,949.95
Step by Step Solution
- Step 1: Write the proportion equation
3,543,813.24 : 4,890,208.38 = 1,994,994.84 : x - Step 2: Convert to fraction form
3,543,813.24/4,890,208.38 = 1,994,994.84/x - Step 3: Cross multiply
3,543,813.24x = 4,890,208.38 × 1,994,994.84 - Step 4: Simplify right side
3,543,813.24x = 9,755,940,484,624.76 - Step 5: Solve for x
x = 9,755,940,484,624.76/3,543,813.24 - Step 6: Final answer
x = 2,752,949.95
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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.