Finding the Fourth Proportional to 5,431,086.40, 8,125,634.40 and 3,541,518.40
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Solution
The fourth proportional to 5,431,086.40, 8,125,634.40 and 3,541,518.40 is: 5,298,586.99
Step by Step Solution
- Step 1: Write the proportion equation
5,431,086.40 : 8,125,634.40 = 3,541,518.40 : x - Step 2: Convert to fraction form
5,431,086.40/8,125,634.40 = 3,541,518.40/x - Step 3: Cross multiply
5,431,086.40x = 8,125,634.40 × 3,541,518.40 - Step 4: Simplify right side
5,431,086.40x = 28,777,083,739,272.96 - Step 5: Solve for x
x = 28,777,083,739,272.96/5,431,086.40 - Step 6: Final answer
x = 5,298,586.99
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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.