Finding the Fourth Proportional to 5,476,251.40, 8,198,630.70 and 3,350,487.40
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Solution
The fourth proportional to 5,476,251.40, 8,198,630.70 and 3,350,487.40 is: 5,016,097.12
Step by Step Solution
- Step 1: Write the proportion equation
5,476,251.40 : 8,198,630.70 = 3,350,487.40 : x - Step 2: Convert to fraction form
5,476,251.40/8,198,630.70 = 3,350,487.40/x - Step 3: Cross multiply
5,476,251.40x = 8,198,630.70 × 3,350,487.40 - Step 4: Simplify right side
5,476,251.40x = 27,469,408,857,603.18 - Step 5: Solve for x
x = 27,469,408,857,603.18/5,476,251.40 - Step 6: Final answer
x = 5,016,097.12
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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.