Finding the Fourth Proportional to 1,471,912.65, 2,207,940.26 and 406,931.13
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Solution
The fourth proportional to 1,471,912.65, 2,207,940.26 and 406,931.13 is: 610,416.40
Step by Step Solution
- Step 1: Write the proportion equation
1,471,912.65 : 2,207,940.26 = 406,931.13 : x - Step 2: Convert to fraction form
1,471,912.65/2,207,940.26 = 406,931.13/x - Step 3: Cross multiply
1,471,912.65x = 2,207,940.26 × 406,931.13 - Step 4: Simplify right side
1,471,912.65x = 898,479,622,939.64 - Step 5: Solve for x
x = 898,479,622,939.64/1,471,912.65 - Step 6: Final answer
x = 610,416.40
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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.