Finding the Fourth Proportional to 5,920,121.80, 8,874,739.50 and 2,132,678.44
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Solution
The fourth proportional to 5,920,121.80, 8,874,739.50 and 2,132,678.44 is: 3,197,056.79
Step by Step Solution
- Step 1: Write the proportion equation
5,920,121.80 : 8,874,739.50 = 2,132,678.44 : x - Step 2: Convert to fraction form
5,920,121.80/8,874,739.50 = 2,132,678.44/x - Step 3: Cross multiply
5,920,121.80x = 8,874,739.50 × 2,132,678.44 - Step 4: Simplify right side
5,920,121.80x = 18,926,965,592,266.38 - Step 5: Solve for x
x = 18,926,965,592,266.38/5,920,121.80 - Step 6: Final answer
x = 3,197,056.79
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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.