Finding the Fourth Proportional to 1,886,148.26, 2,827,635.44 and 820,387.62
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Solution
The fourth proportional to 1,886,148.26, 2,827,635.44 and 820,387.62 is: 1,229,891.18
Step by Step Solution
- Step 1: Write the proportion equation
1,886,148.26 : 2,827,635.44 = 820,387.62 : x - Step 2: Convert to fraction form
1,886,148.26/2,827,635.44 = 820,387.62/x - Step 3: Cross multiply
1,886,148.26x = 2,827,635.44 × 820,387.62 - Step 4: Simplify right side
1,886,148.26x = 2,319,757,108,849.25 - Step 5: Solve for x
x = 2,319,757,108,849.25/1,886,148.26 - Step 6: Final answer
x = 1,229,891.18
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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.