Finding the Fourth Proportional to 3,081,071.43, 4,622,027.49 and 1,283,534.28
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Solution
The fourth proportional to 3,081,071.43, 4,622,027.49 and 1,283,534.28 is: 1,925,476.53
Step by Step Solution
- Step 1: Write the proportion equation
3,081,071.43 : 4,622,027.49 = 1,283,534.28 : x - Step 2: Convert to fraction form
3,081,071.43/4,622,027.49 = 1,283,534.28/x - Step 3: Cross multiply
3,081,071.43x = 4,622,027.49 × 1,283,534.28 - Step 4: Simplify right side
3,081,071.43x = 5,932,530,726,517.36 - Step 5: Solve for x
x = 5,932,530,726,517.36/3,081,071.43 - Step 6: Final answer
x = 1,925,476.53
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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.