Finding the Fourth Proportional to 1,819,352.97, 2,728,230.19 and 681,317
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Solution
The fourth proportional to 1,819,352.97, 2,728,230.19 and 681,317 is: 1,021,676.19
Step by Step Solution
- Step 1: Write the proportion equation
1,819,352.97 : 2,728,230.19 = 681,317 : x - Step 2: Convert to fraction form
1,819,352.97/2,728,230.19 = 681,317/x - Step 3: Cross multiply
1,819,352.97x = 2,728,230.19 × 681,317 - Step 4: Simplify right side
1,819,352.97x = 1,858,789,608,360.23 - Step 5: Solve for x
x = 1,858,789,608,360.23/1,819,352.97 - Step 6: Final answer
x = 1,021,676.19
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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.