Finding the Fourth Proportional to 3,822,755.84, 5,275,296.96 and 2,169,204.08
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Solution
The fourth proportional to 3,822,755.84, 5,275,296.96 and 2,169,204.08 is: 2,993,441.42
Step by Step Solution
- Step 1: Write the proportion equation
3,822,755.84 : 5,275,296.96 = 2,169,204.08 : x - Step 2: Convert to fraction form
3,822,755.84/5,275,296.96 = 2,169,204.08/x - Step 3: Cross multiply
3,822,755.84x = 5,275,296.96 × 2,169,204.08 - Step 4: Simplify right side
3,822,755.84x = 11,443,195,688,843.60 - Step 5: Solve for x
x = 11,443,195,688,843.60/3,822,755.84 - Step 6: Final answer
x = 2,993,441.42
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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.