Finding the Fourth Proportional to 4,680,604.70, 7,020,907.05 and 4,149,163.70
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Solution
The fourth proportional to 4,680,604.70, 7,020,907.05 and 4,149,163.70 is: 6,223,745.55
Step by Step Solution
- Step 1: Write the proportion equation
4,680,604.70 : 7,020,907.05 = 4,149,163.70 : x - Step 2: Convert to fraction form
4,680,604.70/7,020,907.05 = 4,149,163.70/x - Step 3: Cross multiply
4,680,604.70x = 7,020,907.05 × 4,149,163.70 - Step 4: Simplify right side
4,680,604.70x = 29,130,892,672,934.09 - Step 5: Solve for x
x = 29,130,892,672,934.09/4,680,604.70 - Step 6: Final answer
x = 6,223,745.55
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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.