Finding the Fourth Proportional to 3,820,121.48, 5,729,559.20 and 1,123,816.08
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Solution
The fourth proportional to 3,820,121.48, 5,729,559.20 and 1,123,816.08 is: 1,685,540.84
Step by Step Solution
- Step 1: Write the proportion equation
3,820,121.48 : 5,729,559.20 = 1,123,816.08 : x - Step 2: Convert to fraction form
3,820,121.48/5,729,559.20 = 1,123,816.08/x - Step 3: Cross multiply
3,820,121.48x = 5,729,559.20 × 1,123,816.08 - Step 4: Simplify right side
3,820,121.48x = 6,438,970,760,271.94 - Step 5: Solve for x
x = 6,438,970,760,271.94/3,820,121.48 - Step 6: Final answer
x = 1,685,540.84
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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.