Finding the Fourth Proportional to 3,490,286.82, 5,235,517.68 and 965,963.94
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Solution
The fourth proportional to 3,490,286.82, 5,235,517.68 and 965,963.94 is: 1,448,970.11
Step by Step Solution
- Step 1: Write the proportion equation
3,490,286.82 : 5,235,517.68 = 965,963.94 : x - Step 2: Convert to fraction form
3,490,286.82/5,235,517.68 = 965,963.94/x - Step 3: Cross multiply
3,490,286.82x = 5,235,517.68 × 965,963.94 - Step 4: Simplify right side
3,490,286.82x = 5,057,321,286,112.46 - Step 5: Solve for x
x = 5,057,321,286,112.46/3,490,286.82 - Step 6: Final answer
x = 1,448,970.11
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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.