Finding the Fourth Proportional to 5,399,342, 7,451,247.48 and 2,985,049.52
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Solution
The fourth proportional to 5,399,342, 7,451,247.48 and 2,985,049.52 is: 4,119,454.32
Step by Step Solution
- Step 1: Write the proportion equation
5,399,342 : 7,451,247.48 = 2,985,049.52 : x - Step 2: Convert to fraction form
5,399,342/7,451,247.48 = 2,985,049.52/x - Step 3: Cross multiply
5,399,342x = 7,451,247.48 × 2,985,049.52 - Step 4: Simplify right side
5,399,342x = 22,242,342,713,575.21 - Step 5: Solve for x
x = 22,242,342,713,575.21/5,399,342 - Step 6: Final answer
x = 4,119,454.32
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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.