Finding the Fourth Proportional to 6,860,869.43, 10,287,544.77 and 3,163,879.94
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Solution
The fourth proportional to 6,860,869.43, 10,287,544.77 and 3,163,879.94 is: 4,744,086.28
Step by Step Solution
- Step 1: Write the proportion equation
6,860,869.43 : 10,287,544.77 = 3,163,879.94 : x - Step 2: Convert to fraction form
6,860,869.43/10,287,544.77 = 3,163,879.94/x - Step 3: Cross multiply
6,860,869.43x = 10,287,544.77 × 3,163,879.94 - Step 4: Simplify right side
6,860,869.43x = 32,548,556,478,217.19 - Step 5: Solve for x
x = 32,548,556,478,217.19/6,860,869.43 - Step 6: Final answer
x = 4,744,086.28
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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.