Finding the Fourth Proportional to 3,188,969.99, 4,783,472.60 and 792,814.62
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Solution
The fourth proportional to 3,188,969.99, 4,783,472.60 and 792,814.62 is: 1,189,226.31
Step by Step Solution
- Step 1: Write the proportion equation
3,188,969.99 : 4,783,472.60 = 792,814.62 : x - Step 2: Convert to fraction form
3,188,969.99/4,783,472.60 = 792,814.62/x - Step 3: Cross multiply
3,188,969.99x = 4,783,472.60 × 792,814.62 - Step 4: Simplify right side
3,188,969.99x = 3,792,407,011,649.41 - Step 5: Solve for x
x = 3,792,407,011,649.41/3,188,969.99 - Step 6: Final answer
x = 1,189,226.31
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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.