Finding the Fourth Proportional to 3,489,099.09, 5,228,306.85 and 2,347,633.32
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Solution
The fourth proportional to 3,489,099.09, 5,228,306.85 and 2,347,633.32 is: 3,517,855.77
Step by Step Solution
- Step 1: Write the proportion equation
3,489,099.09 : 5,228,306.85 = 2,347,633.32 : x - Step 2: Convert to fraction form
3,489,099.09/5,228,306.85 = 2,347,633.32/x - Step 3: Cross multiply
3,489,099.09x = 5,228,306.85 × 2,347,633.32 - Step 4: Simplify right side
3,489,099.09x = 12,274,147,368,244.24 - Step 5: Solve for x
x = 12,274,147,368,244.24/3,489,099.09 - Step 6: Final answer
x = 3,517,855.77
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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.