Finding the Fourth Proportional to 5,727,542.40, 8,589,957.12 and 2,134,995.84
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Solution
The fourth proportional to 5,727,542.40, 8,589,957.12 and 2,134,995.84 is: 3,201,988.12
Step by Step Solution
- Step 1: Write the proportion equation
5,727,542.40 : 8,589,957.12 = 2,134,995.84 : x - Step 2: Convert to fraction form
5,727,542.40/8,589,957.12 = 2,134,995.84/x - Step 3: Cross multiply
5,727,542.40x = 8,589,957.12 × 2,134,995.84 - Step 4: Simplify right side
5,727,542.40x = 18,339,522,716,978.38 - Step 5: Solve for x
x = 18,339,522,716,978.38/5,727,542.40 - Step 6: Final answer
x = 3,201,988.12
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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.