Finding the Fourth Proportional to 3,188,968.99, 4,783,471.10 and 792,813.62
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Solution
The fourth proportional to 3,188,968.99, 4,783,471.10 and 792,813.62 is: 1,189,224.81
Step by Step Solution
- Step 1: Write the proportion equation
3,188,968.99 : 4,783,471.10 = 792,813.62 : x - Step 2: Convert to fraction form
3,188,968.99/4,783,471.10 = 792,813.62/x - Step 3: Cross multiply
3,188,968.99x = 4,783,471.10 × 792,813.62 - Step 4: Simplify right side
3,188,968.99x = 3,792,401,049,924.04 - Step 5: Solve for x
x = 3,792,401,049,924.04/3,188,968.99 - Step 6: Final answer
x = 1,189,224.81
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1.5x scale
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.