Finding the Fourth Proportional to 5,585,717.37, 8,379,232.25 and 1,991,995.23
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Solution
The fourth proportional to 5,585,717.37, 8,379,232.25 and 1,991,995.23 is: 2,988,226.86
Step by Step Solution
- Step 1: Write the proportion equation
5,585,717.37 : 8,379,232.25 = 1,991,995.23 : x - Step 2: Convert to fraction form
5,585,717.37/8,379,232.25 = 1,991,995.23/x - Step 3: Cross multiply
5,585,717.37x = 8,379,232.25 × 1,991,995.23 - Step 4: Simplify right side
5,585,717.37x = 16,691,390,663,102.19 - Step 5: Solve for x
x = 16,691,390,663,102.19/5,585,717.37 - Step 6: Final answer
x = 2,988,226.86
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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.