Finding the Fourth Proportional to 3,416,861.58, 4,716,456.42 and 1,967,134.80
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Solution
The fourth proportional to 3,416,861.58, 4,716,456.42 and 1,967,134.80 is: 2,715,329.65
Step by Step Solution
- Step 1: Write the proportion equation
3,416,861.58 : 4,716,456.42 = 1,967,134.80 : x - Step 2: Convert to fraction form
3,416,861.58/4,716,456.42 = 1,967,134.80/x - Step 3: Cross multiply
3,416,861.58x = 4,716,456.42 × 1,967,134.80 - Step 4: Simplify right side
3,416,861.58x = 9,277,905,556,465.42 - Step 5: Solve for x
x = 9,277,905,556,465.42/3,416,861.58 - Step 6: Final answer
x = 2,715,329.65
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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.