Finding the Fourth Proportional to 5,321,835.12, 7,982,639.28 and 1,727,596.24
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Solution
The fourth proportional to 5,321,835.12, 7,982,639.28 and 1,727,596.24 is: 2,591,357.55
Step by Step Solution
- Step 1: Write the proportion equation
5,321,835.12 : 7,982,639.28 = 1,727,596.24 : x - Step 2: Convert to fraction form
5,321,835.12/7,982,639.28 = 1,727,596.24/x - Step 3: Cross multiply
5,321,835.12x = 7,982,639.28 × 1,727,596.24 - Step 4: Simplify right side
5,321,835.12x = 13,790,777,605,404.31 - Step 5: Solve for x
x = 13,790,777,605,404.31/5,321,835.12 - Step 6: Final answer
x = 2,591,357.55
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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.