Finding the Fourth Proportional to 7,286,104.80, 10,935,766.80 and 3,694,370.40
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Solution
The fourth proportional to 7,286,104.80, 10,935,766.80 and 3,694,370.40 is: 5,544,906.95
Step by Step Solution
- Step 1: Write the proportion equation
7,286,104.80 : 10,935,766.80 = 3,694,370.40 : x - Step 2: Convert to fraction form
7,286,104.80/10,935,766.80 = 3,694,370.40/x - Step 3: Cross multiply
7,286,104.80x = 10,935,766.80 × 3,694,370.40 - Step 4: Simplify right side
7,286,104.80x = 40,400,773,167,222.72 - Step 5: Solve for x
x = 40,400,773,167,222.72/7,286,104.80 - Step 6: Final answer
x = 5,544,906.95
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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.