Finding the Fourth Proportional to 3,115,329.82, 4,672,957.12 and 809,618.70
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Solution
The fourth proportional to 3,115,329.82, 4,672,957.12 and 809,618.70 is: 1,214,418.28
Step by Step Solution
- Step 1: Write the proportion equation
3,115,329.82 : 4,672,957.12 = 809,618.70 : x - Step 2: Convert to fraction form
3,115,329.82/4,672,957.12 = 809,618.70/x - Step 3: Cross multiply
3,115,329.82x = 4,672,957.12 × 809,618.70 - Step 4: Simplify right side
3,115,329.82x = 3,783,313,468,650.14 - Step 5: Solve for x
x = 3,783,313,468,650.14/3,115,329.82 - Step 6: Final answer
x = 1,214,418.28
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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.