Finding the Fourth Proportional to 1,729,636.05, 2,386,902.38 and 965,716.95
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Solution
The fourth proportional to 1,729,636.05, 2,386,902.38 and 965,716.95 is: 1,332,691.97
Step by Step Solution
- Step 1: Write the proportion equation
1,729,636.05 : 2,386,902.38 = 965,716.95 : x - Step 2: Convert to fraction form
1,729,636.05/2,386,902.38 = 965,716.95/x - Step 3: Cross multiply
1,729,636.05x = 2,386,902.38 × 965,716.95 - Step 4: Simplify right side
1,729,636.05x = 2,305,072,081,532.76 - Step 5: Solve for x
x = 2,305,072,081,532.76/1,729,636.05 - Step 6: Final answer
x = 1,332,691.97
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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.