Finding the Fourth Proportional to 4,882,768.40, 7,324,152.60 and 3,182,157.20
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Solution
The fourth proportional to 4,882,768.40, 7,324,152.60 and 3,182,157.20 is: 4,773,235.80
Step by Step Solution
- Step 1: Write the proportion equation
4,882,768.40 : 7,324,152.60 = 3,182,157.20 : x - Step 2: Convert to fraction form
4,882,768.40/7,324,152.60 = 3,182,157.20/x - Step 3: Cross multiply
4,882,768.40x = 7,324,152.60 × 3,182,157.20 - Step 4: Simplify right side
4,882,768.40x = 23,306,604,929,988.72 - Step 5: Solve for x
x = 23,306,604,929,988.72/4,882,768.40 - Step 6: Final answer
x = 4,773,235.80
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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.