Finding the Fourth Proportional to 1,819,351.97, 2,728,228.69 and 681,316
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Solution
The fourth proportional to 1,819,351.97, 2,728,228.69 and 681,316 is: 1,021,674.69
Step by Step Solution
- Step 1: Write the proportion equation
1,819,351.97 : 2,728,228.69 = 681,316 : x - Step 2: Convert to fraction form
1,819,351.97/2,728,228.69 = 681,316/x - Step 3: Cross multiply
1,819,351.97x = 2,728,228.69 × 681,316 - Step 4: Simplify right side
1,819,351.97x = 1,858,785,858,156.04 - Step 5: Solve for x
x = 1,858,785,858,156.04/1,819,351.97 - Step 6: Final answer
x = 1,021,674.69
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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.