Finding the Fourth Proportional to 5,239,163.70, 7,858,745.55 and 4,609,307.70
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Solution
The fourth proportional to 5,239,163.70, 7,858,745.55 and 4,609,307.70 is: 6,913,961.55
Step by Step Solution
- Step 1: Write the proportion equation
5,239,163.70 : 7,858,745.55 = 4,609,307.70 : x - Step 2: Convert to fraction form
5,239,163.70/7,858,745.55 = 4,609,307.70/x - Step 3: Cross multiply
5,239,163.70x = 7,858,745.55 × 4,609,307.70 - Step 4: Simplify right side
5,239,163.70x = 36,223,376,375,955.73 - Step 5: Solve for x
x = 36,223,376,375,955.73/5,239,163.70 - Step 6: Final answer
x = 6,913,961.55
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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.