Finding the Fourth Proportional to 1,819,353.97, 2,728,231.69 and 681,318
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Solution
The fourth proportional to 1,819,353.97, 2,728,231.69 and 681,318 is: 1,021,677.69
Step by Step Solution
- Step 1: Write the proportion equation
1,819,353.97 : 2,728,231.69 = 681,318 : x - Step 2: Convert to fraction form
1,819,353.97/2,728,231.69 = 681,318/x - Step 3: Cross multiply
1,819,353.97x = 2,728,231.69 × 681,318 - Step 4: Simplify right side
1,819,353.97x = 1,858,793,358,567.42 - Step 5: Solve for x
x = 1,858,793,358,567.42/1,819,353.97 - Step 6: Final answer
x = 1,021,677.69
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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.