Finding the Fourth Proportional to 1,541,022.75, 2,126,619.09 and 861,959.25
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Solution
The fourth proportional to 1,541,022.75, 2,126,619.09 and 861,959.25 is: 1,189,508.07
Step by Step Solution
- Step 1: Write the proportion equation
1,541,022.75 : 2,126,619.09 = 861,959.25 : x - Step 2: Convert to fraction form
1,541,022.75/2,126,619.09 = 861,959.25/x - Step 3: Cross multiply
1,541,022.75x = 2,126,619.09 × 861,959.25 - Step 4: Simplify right side
1,541,022.75x = 1,833,058,995,852.08 - Step 5: Solve for x
x = 1,833,058,995,852.08/1,541,022.75 - Step 6: Final answer
x = 1,189,508.07
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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.