Finding the Fourth Proportional to 2,984,930.80, 4,477,396.20 and 2,723,657.20
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Solution
The fourth proportional to 2,984,930.80, 4,477,396.20 and 2,723,657.20 is: 4,085,485.80
Step by Step Solution
- Step 1: Write the proportion equation
2,984,930.80 : 4,477,396.20 = 2,723,657.20 : x - Step 2: Convert to fraction form
2,984,930.80/4,477,396.20 = 2,723,657.20/x - Step 3: Cross multiply
2,984,930.80x = 4,477,396.20 × 2,723,657.20 - Step 4: Simplify right side
2,984,930.80x = 12,194,892,397,382.64 - Step 5: Solve for x
x = 12,194,892,397,382.64/2,984,930.80 - Step 6: Final answer
x = 4,085,485.80
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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.