Finding the Fourth Proportional to 1,383,508.26, 1,910,129.67 and 867,969.03
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Solution
The fourth proportional to 1,383,508.26, 1,910,129.67 and 867,969.03 is: 1,198,354.53
Step by Step Solution
- Step 1: Write the proportion equation
1,383,508.26 : 1,910,129.67 = 867,969.03 : x - Step 2: Convert to fraction form
1,383,508.26/1,910,129.67 = 867,969.03/x - Step 3: Cross multiply
1,383,508.26x = 1,910,129.67 × 867,969.03 - Step 4: Simplify right side
1,383,508.26x = 1,657,933,396,844.12 - Step 5: Solve for x
x = 1,657,933,396,844.12/1,383,508.26 - Step 6: Final answer
x = 1,198,354.53
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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.