Finding the Fourth Proportional to 6,347,672.01, 8,765,765.87 and 4,419,205.65
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Solution
The fourth proportional to 6,347,672.01, 8,765,765.87 and 4,419,205.65 is: 6,102,665.98
Step by Step Solution
- Step 1: Write the proportion equation
6,347,672.01 : 8,765,765.87 = 4,419,205.65 : x - Step 2: Convert to fraction form
6,347,672.01/8,765,765.87 = 4,419,205.65/x - Step 3: Cross multiply
6,347,672.01x = 8,765,765.87 × 4,419,205.65 - Step 4: Simplify right side
6,347,672.01x = 38,737,722,037,185.14 - Step 5: Solve for x
x = 38,737,722,037,185.14/6,347,672.01 - Step 6: Final answer
x = 6,102,665.98
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.