Finding the Fourth Proportional to 1,515,713.11, 2,091,535.23 and 836,605.87
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Solution
The fourth proportional to 1,515,713.11, 2,091,535.23 and 836,605.87 is: 1,154,433.94
Step by Step Solution
- Step 1: Write the proportion equation
1,515,713.11 : 2,091,535.23 = 836,605.87 : x - Step 2: Convert to fraction form
1,515,713.11/2,091,535.23 = 836,605.87/x - Step 3: Cross multiply
1,515,713.11x = 2,091,535.23 × 836,605.87 - Step 4: Simplify right side
1,515,713.11x = 1,749,790,650,729.80 - Step 5: Solve for x
x = 1,749,790,650,729.80/1,515,713.11 - Step 6: Final answer
x = 1,154,433.94
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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.