Finding the Fourth Proportional to 3,549,213.08, 5,324,715.34 and 990,425.88
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Solution
The fourth proportional to 3,549,213.08, 5,324,715.34 and 990,425.88 is: 1,485,888.78
Step by Step Solution
- Step 1: Write the proportion equation
3,549,213.08 : 5,324,715.34 = 990,425.88 : x - Step 2: Convert to fraction form
3,549,213.08/5,324,715.34 = 990,425.88/x - Step 3: Cross multiply
3,549,213.08x = 5,324,715.34 × 990,425.88 - Step 4: Simplify right side
3,549,213.08x = 5,273,735,876,369.00 - Step 5: Solve for x
x = 5,273,735,876,369.00/3,549,213.08 - Step 6: Final answer
x = 1,485,888.78
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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.