Finding the Fourth Proportional to 3,774,715.14, 5,209,620.60 and 2,226,414.72
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Solution
The fourth proportional to 3,774,715.14, 5,209,620.60 and 2,226,414.72 is: 3,072,755.31
Step by Step Solution
- Step 1: Write the proportion equation
3,774,715.14 : 5,209,620.60 = 2,226,414.72 : x - Step 2: Convert to fraction form
3,774,715.14/5,209,620.60 = 2,226,414.72/x - Step 3: Cross multiply
3,774,715.14x = 5,209,620.60 × 2,226,414.72 - Step 4: Simplify right side
3,774,715.14x = 11,598,775,989,455.23 - Step 5: Solve for x
x = 11,598,775,989,455.23/3,774,715.14 - Step 6: Final answer
x = 3,072,755.31
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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.