Finding the Fourth Proportional to 1,983,161.58, 2,735,755.66 and 1,295,236.47
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Solution
The fourth proportional to 1,983,161.58, 2,735,755.66 and 1,295,236.47 is: 1,786,768.44
Step by Step Solution
- Step 1: Write the proportion equation
1,983,161.58 : 2,735,755.66 = 1,295,236.47 : x - Step 2: Convert to fraction form
1,983,161.58/2,735,755.66 = 1,295,236.47/x - Step 3: Cross multiply
1,983,161.58x = 2,735,755.66 × 1,295,236.47 - Step 4: Simplify right side
1,983,161.58x = 3,543,450,515,719.05 - Step 5: Solve for x
x = 3,543,450,515,719.05/1,983,161.58 - Step 6: Final answer
x = 1,786,768.44
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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.