Finding the Fourth Proportional to 5,451,773.80, 8,177,660.70 and 1,861,594.60
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Solution
The fourth proportional to 5,451,773.80, 8,177,660.70 and 1,861,594.60 is: 2,792,391.90
Step by Step Solution
- Step 1: Write the proportion equation
5,451,773.80 : 8,177,660.70 = 1,861,594.60 : x - Step 2: Convert to fraction form
5,451,773.80/8,177,660.70 = 1,861,594.60/x - Step 3: Cross multiply
5,451,773.80x = 8,177,660.70 × 1,861,594.60 - Step 4: Simplify right side
5,451,773.80x = 15,223,488,999,752.22 - Step 5: Solve for x
x = 15,223,488,999,752.22/5,451,773.80 - Step 6: Final answer
x = 2,792,391.90
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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.