Finding the Fourth Proportional to 6,809,512.20, 9,397,190.70 and 3,753,835.80
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Solution
The fourth proportional to 6,809,512.20, 9,397,190.70 and 3,753,835.80 is: 5,180,328.61
Step by Step Solution
- Step 1: Write the proportion equation
6,809,512.20 : 9,397,190.70 = 3,753,835.80 : x - Step 2: Convert to fraction form
6,809,512.20/9,397,190.70 = 3,753,835.80/x - Step 3: Cross multiply
6,809,512.20x = 9,397,190.70 × 3,753,835.80 - Step 4: Simplify right side
6,809,512.20x = 35,275,510,869,087.05 - Step 5: Solve for x
x = 35,275,510,869,087.05/6,809,512.20 - Step 6: Final answer
x = 5,180,328.61
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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.