Finding the Fourth Proportional to 4,072,434.96, 5,619,806.28 and 2,261,715.60
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Solution
The fourth proportional to 4,072,434.96, 5,619,806.28 and 2,261,715.60 is: 3,121,082.02
Step by Step Solution
- Step 1: Write the proportion equation
4,072,434.96 : 5,619,806.28 = 2,261,715.60 : x - Step 2: Convert to fraction form
4,072,434.96/5,619,806.28 = 2,261,715.60/x - Step 3: Cross multiply
4,072,434.96x = 5,619,806.28 × 2,261,715.60 - Step 4: Simplify right side
4,072,434.96x = 12,710,403,532,453.97 - Step 5: Solve for x
x = 12,710,403,532,453.97/4,072,434.96 - Step 6: Final answer
x = 3,121,082.02
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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.