Finding the Fourth Proportional to 2,460,664.40, 3,690,996.60 and 2,212,658.60
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Solution
The fourth proportional to 2,460,664.40, 3,690,996.60 and 2,212,658.60 is: 3,318,987.90
Step by Step Solution
- Step 1: Write the proportion equation
2,460,664.40 : 3,690,996.60 = 2,212,658.60 : x - Step 2: Convert to fraction form
2,460,664.40/3,690,996.60 = 2,212,658.60/x - Step 3: Cross multiply
2,460,664.40x = 3,690,996.60 × 2,212,658.60 - Step 4: Simplify right side
2,460,664.40x = 8,166,915,369,560.76 - Step 5: Solve for x
x = 8,166,915,369,560.76/2,460,664.40 - Step 6: Final answer
x = 3,318,987.90
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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.