Finding the Fourth Proportional to 2,540,337.12, 3,505,651.92 and 1,394,436.96
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Solution
The fourth proportional to 2,540,337.12, 3,505,651.92 and 1,394,436.96 is: 1,924,315.70
Step by Step Solution
- Step 1: Write the proportion equation
2,540,337.12 : 3,505,651.92 = 1,394,436.96 : x - Step 2: Convert to fraction form
2,540,337.12/3,505,651.92 = 1,394,436.96/x - Step 3: Cross multiply
2,540,337.12x = 3,505,651.92 × 1,394,436.96 - Step 4: Simplify right side
2,540,337.12x = 4,888,410,606,142.96 - Step 5: Solve for x
x = 4,888,410,606,142.96/2,540,337.12 - Step 6: Final answer
x = 1,924,315.70
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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.