Finding the Fourth Proportional to 4,270,905.43, 5,892,937.99 and 2,529,121.97
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Solution
The fourth proportional to 4,270,905.43, 5,892,937.99 and 2,529,121.97 is: 3,489,648.55
Step by Step Solution
- Step 1: Write the proportion equation
4,270,905.43 : 5,892,937.99 = 2,529,121.97 : x - Step 2: Convert to fraction form
4,270,905.43/5,892,937.99 = 2,529,121.97/x - Step 3: Cross multiply
4,270,905.43x = 5,892,937.99 × 2,529,121.97 - Step 4: Simplify right side
4,270,905.43x = 14,903,958,946,766.18 - Step 5: Solve for x
x = 14,903,958,946,766.18/4,270,905.43 - Step 6: Final answer
x = 3,489,648.55
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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.