Finding the Fourth Proportional to 6,178,396.66, 9,269,138.61 and 4,360,311.44
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Solution
The fourth proportional to 6,178,396.66, 9,269,138.61 and 4,360,311.44 is: 6,541,556.55
Step by Step Solution
- Step 1: Write the proportion equation
6,178,396.66 : 9,269,138.61 = 4,360,311.44 : x - Step 2: Convert to fraction form
6,178,396.66/9,269,138.61 = 4,360,311.44/x - Step 3: Cross multiply
6,178,396.66x = 9,269,138.61 × 4,360,311.44 - Step 4: Simplify right side
6,178,396.66x = 40,416,331,120,128.70 - Step 5: Solve for x
x = 40,416,331,120,128.70/6,178,396.66 - Step 6: Final answer
x = 6,541,556.55
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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.