Finding the Fourth Proportional to 1,647,091.11, 2,273,115.50 and 1,213,491.02
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Solution
The fourth proportional to 1,647,091.11, 2,273,115.50 and 1,213,491.02 is: 1,674,713.22
Step by Step Solution
- Step 1: Write the proportion equation
1,647,091.11 : 2,273,115.50 = 1,213,491.02 : x - Step 2: Convert to fraction form
1,647,091.11/2,273,115.50 = 1,213,491.02/x - Step 3: Cross multiply
1,647,091.11x = 2,273,115.50 × 1,213,491.02 - Step 4: Simplify right side
1,647,091.11x = 2,758,405,253,402.53 - Step 5: Solve for x
x = 2,758,405,253,402.53/1,647,091.11 - Step 6: Final answer
x = 1,674,713.22
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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.