Finding the Fourth Proportional to 3,165,847.38, 4,368,873.12 and 1,715,530.14
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Solution
The fourth proportional to 3,165,847.38, 4,368,873.12 and 1,715,530.14 is: 2,367,433.62
Step by Step Solution
- Step 1: Write the proportion equation
3,165,847.38 : 4,368,873.12 = 1,715,530.14 : x - Step 2: Convert to fraction form
3,165,847.38/4,368,873.12 = 1,715,530.14/x - Step 3: Cross multiply
3,165,847.38x = 4,368,873.12 × 1,715,530.14 - Step 4: Simplify right side
3,165,847.38x = 7,494,933,515,195.84 - Step 5: Solve for x
x = 7,494,933,515,195.84/3,165,847.38 - Step 6: Final answer
x = 2,367,433.62
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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.