Finding the Fourth Proportional to 5,434,771.15, 7,499,939.98 and 2,987,356.18
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Solution
The fourth proportional to 5,434,771.15, 7,499,939.98 and 2,987,356.18 is: 4,122,527.23
Step by Step Solution
- Step 1: Write the proportion equation
5,434,771.15 : 7,499,939.98 = 2,987,356.18 : x - Step 2: Convert to fraction form
5,434,771.15/7,499,939.98 = 2,987,356.18/x - Step 3: Cross multiply
5,434,771.15x = 7,499,939.98 × 2,987,356.18 - Step 4: Simplify right side
5,434,771.15x = 22,404,992,048,882.08 - Step 5: Solve for x
x = 22,404,992,048,882.08/5,434,771.15 - Step 6: Final answer
x = 4,122,527.23
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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.