Finding the Fourth Proportional to 5,991,728.40, 8,987,592.60 and 3,976,189.20
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Solution
The fourth proportional to 5,991,728.40, 8,987,592.60 and 3,976,189.20 is: 5,964,283.80
Step by Step Solution
- Step 1: Write the proportion equation
5,991,728.40 : 8,987,592.60 = 3,976,189.20 : x - Step 2: Convert to fraction form
5,991,728.40/8,987,592.60 = 3,976,189.20/x - Step 3: Cross multiply
5,991,728.40x = 8,987,592.60 × 3,976,189.20 - Step 4: Simplify right side
5,991,728.40x = 35,736,368,630,119.92 - Step 5: Solve for x
x = 35,736,368,630,119.92/5,991,728.40 - Step 6: Final answer
x = 5,964,283.80
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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.