Finding the Fourth Proportional to 7,286,808.40, 10,930,212.60 and 2,799,192.40
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Solution
The fourth proportional to 7,286,808.40, 10,930,212.60 and 2,799,192.40 is: 4,198,788.60
Step by Step Solution
- Step 1: Write the proportion equation
7,286,808.40 : 10,930,212.60 = 2,799,192.40 : x - Step 2: Convert to fraction form
7,286,808.40/10,930,212.60 = 2,799,192.40/x - Step 3: Cross multiply
7,286,808.40x = 10,930,212.60 × 2,799,192.40 - Step 4: Simplify right side
7,286,808.40x = 30,595,768,040,304.24 - Step 5: Solve for x
x = 30,595,768,040,304.24/7,286,808.40 - Step 6: Final answer
x = 4,198,788.60
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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.