Finding the Fourth Proportional to 1,760,716.40, 2,429,786.79 and 986,352.69
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Solution
The fourth proportional to 1,760,716.40, 2,429,786.79 and 986,352.69 is: 1,361,165.68
Step by Step Solution
- Step 1: Write the proportion equation
1,760,716.40 : 2,429,786.79 = 986,352.69 : x - Step 2: Convert to fraction form
1,760,716.40/2,429,786.79 = 986,352.69/x - Step 3: Cross multiply
1,760,716.40x = 2,429,786.79 × 986,352.69 - Step 4: Simplify right side
1,760,716.40x = 2,396,626,736,442.97 - Step 5: Solve for x
x = 2,396,626,736,442.97/1,760,716.40 - Step 6: Final answer
x = 1,361,165.68
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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.