Finding the Fourth Proportional to 1,166,213.38, 1,609,324.74 and 649,939.80
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Solution
The fourth proportional to 1,166,213.38, 1,609,324.74 and 649,939.80 is: 896,889.21
Step by Step Solution
- Step 1: Write the proportion equation
1,166,213.38 : 1,609,324.74 = 649,939.80 : x - Step 2: Convert to fraction form
1,166,213.38/1,609,324.74 = 649,939.80/x - Step 3: Cross multiply
1,166,213.38x = 1,609,324.74 × 649,939.80 - Step 4: Simplify right side
1,166,213.38x = 1,045,964,199,650.65 - Step 5: Solve for x
x = 1,045,964,199,650.65/1,166,213.38 - Step 6: Final answer
x = 896,889.21
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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.