Finding the Fourth Proportional to 4,797,445.51, 7,197,414.63 and 1,431,652.51
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Solution
The fourth proportional to 4,797,445.51, 7,197,414.63 and 1,431,652.51 is: 2,147,850.70
Step by Step Solution
- Step 1: Write the proportion equation
4,797,445.51 : 7,197,414.63 = 1,431,652.51 : x - Step 2: Convert to fraction form
4,797,445.51/7,197,414.63 = 1,431,652.51/x - Step 3: Cross multiply
4,797,445.51x = 7,197,414.63 × 1,431,652.51 - Step 4: Simplify right side
4,797,445.51x = 10,304,196,720,550.22 - Step 5: Solve for x
x = 10,304,196,720,550.22/4,797,445.51 - Step 6: Final answer
x = 2,147,850.70
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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.