Finding the Fourth Proportional to 1,761,293.68, 2,431,329.32 and 1,189,108.88
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Solution
The fourth proportional to 1,761,293.68, 2,431,329.32 and 1,189,108.88 is: 1,641,472.58
Step by Step Solution
- Step 1: Write the proportion equation
1,761,293.68 : 2,431,329.32 = 1,189,108.88 : x - Step 2: Convert to fraction form
1,761,293.68/2,431,329.32 = 1,189,108.88/x - Step 3: Cross multiply
1,761,293.68x = 2,431,329.32 × 1,189,108.88 - Step 4: Simplify right side
1,761,293.68x = 2,891,115,284,616.36 - Step 5: Solve for x
x = 2,891,115,284,616.36/1,761,293.68 - Step 6: Final answer
x = 1,641,472.58
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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.