Finding the Fourth Proportional to 1,638,197.80, 2,457,296.70 and 929,609.80
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Solution
The fourth proportional to 1,638,197.80, 2,457,296.70 and 929,609.80 is: 1,394,414.70
Step by Step Solution
- Step 1: Write the proportion equation
1,638,197.80 : 2,457,296.70 = 929,609.80 : x - Step 2: Convert to fraction form
1,638,197.80/2,457,296.70 = 929,609.80/x - Step 3: Cross multiply
1,638,197.80x = 2,457,296.70 × 929,609.80 - Step 4: Simplify right side
1,638,197.80x = 2,284,327,093,827.66 - Step 5: Solve for x
x = 2,284,327,093,827.66/1,638,197.80 - Step 6: Final answer
x = 1,394,414.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.