Finding the Fourth Proportional to 3,979,779.66, 5,969,613.90 and 2,270,274.66
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Solution
The fourth proportional to 3,979,779.66, 5,969,613.90 and 2,270,274.66 is: 3,405,380.28
Step by Step Solution
- Step 1: Write the proportion equation
3,979,779.66 : 5,969,613.90 = 2,270,274.66 : x - Step 2: Convert to fraction form
3,979,779.66/5,969,613.90 = 2,270,274.66/x - Step 3: Cross multiply
3,979,779.66x = 5,969,613.90 × 2,270,274.66 - Step 4: Simplify right side
3,979,779.66x = 13,552,663,167,153.78 - Step 5: Solve for x
x = 13,552,663,167,153.78/3,979,779.66 - Step 6: Final answer
x = 3,405,380.28
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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.