Finding the Fourth Proportional to 3,707,620.80, 5,561,431.20 and 1,183,531.20
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Solution
The fourth proportional to 3,707,620.80, 5,561,431.20 and 1,183,531.20 is: 1,775,296.80
Step by Step Solution
- Step 1: Write the proportion equation
3,707,620.80 : 5,561,431.20 = 1,183,531.20 : x - Step 2: Convert to fraction form
3,707,620.80/5,561,431.20 = 1,183,531.20/x - Step 3: Cross multiply
3,707,620.80x = 5,561,431.20 × 1,183,531.20 - Step 4: Simplify right side
3,707,620.80x = 6,582,127,341,853.44 - Step 5: Solve for x
x = 6,582,127,341,853.44/3,707,620.80 - Step 6: Final answer
x = 1,775,296.80
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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.