Finding the Fourth Proportional to 2,592,732.22, 3,577,971.09 and 1,431,179.12
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Solution
The fourth proportional to 2,592,732.22, 3,577,971.09 and 1,431,179.12 is: 1,975,027.54
Step by Step Solution
- Step 1: Write the proportion equation
2,592,732.22 : 3,577,971.09 = 1,431,179.12 : x - Step 2: Convert to fraction form
2,592,732.22/3,577,971.09 = 1,431,179.12/x - Step 3: Cross multiply
2,592,732.22x = 3,577,971.09 × 1,431,179.12 - Step 4: Simplify right side
2,592,732.22x = 5,120,717,530,283.49 - Step 5: Solve for x
x = 5,120,717,530,283.49/2,592,732.22 - Step 6: Final answer
x = 1,975,027.54
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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.