Finding the Fourth Proportional to 5,393,902.14, 7,443,811.22 and 3,102,064.65
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Solution
The fourth proportional to 5,393,902.14, 7,443,811.22 and 3,102,064.65 is: 4,280,979.34
Step by Step Solution
- Step 1: Write the proportion equation
5,393,902.14 : 7,443,811.22 = 3,102,064.65 : x - Step 2: Convert to fraction form
5,393,902.14/7,443,811.22 = 3,102,064.65/x - Step 3: Cross multiply
5,393,902.14x = 7,443,811.22 × 3,102,064.65 - Step 4: Simplify right side
5,393,902.14x = 23,091,183,631,325.05 - Step 5: Solve for x
x = 23,091,183,631,325.05/5,393,902.14 - Step 6: Final answer
x = 4,280,979.34
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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.