Finding the Fourth Proportional to 1,517,842.80, 2,278,304.82 and 760,227.12
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Solution
The fourth proportional to 1,517,842.80, 2,278,304.82 and 760,227.12 is: 1,141,112.32
Step by Step Solution
- Step 1: Write the proportion equation
1,517,842.80 : 2,278,304.82 = 760,227.12 : x - Step 2: Convert to fraction form
1,517,842.80/2,278,304.82 = 760,227.12/x - Step 3: Cross multiply
1,517,842.80x = 2,278,304.82 × 760,227.12 - Step 4: Simplify right side
1,517,842.80x = 1,732,029,111,790.72 - Step 5: Solve for x
x = 1,732,029,111,790.72/1,517,842.80 - Step 6: Final answer
x = 1,141,112.32
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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.