Finding the Fourth Proportional to 3,624,134.40, 5,436,201.60 and 1,493,121.60
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Solution
The fourth proportional to 3,624,134.40, 5,436,201.60 and 1,493,121.60 is: 2,239,682.40
Step by Step Solution
- Step 1: Write the proportion equation
3,624,134.40 : 5,436,201.60 = 1,493,121.60 : x - Step 2: Convert to fraction form
3,624,134.40/5,436,201.60 = 1,493,121.60/x - Step 3: Cross multiply
3,624,134.40x = 5,436,201.60 × 1,493,121.60 - Step 4: Simplify right side
3,624,134.40x = 8,116,910,030,914.56 - Step 5: Solve for x
x = 8,116,910,030,914.56/3,624,134.40 - Step 6: Final answer
x = 2,239,682.40
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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.