Finding the Fourth Proportional to 4,412,121.39, 6,618,563.30 and 1,217,247.57
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Solution
The fourth proportional to 4,412,121.39, 6,618,563.30 and 1,217,247.57 is: 1,825,976.53
Step by Step Solution
- Step 1: Write the proportion equation
4,412,121.39 : 6,618,563.30 = 1,217,247.57 : x - Step 2: Convert to fraction form
4,412,121.39/6,618,563.30 = 1,217,247.57/x - Step 3: Cross multiply
4,412,121.39x = 6,618,563.30 × 1,217,247.57 - Step 4: Simplify right side
4,412,121.39x = 8,056,430,093,816.18 - Step 5: Solve for x
x = 8,056,430,093,816.18/4,412,121.39 - Step 6: Final answer
x = 1,825,976.53
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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.