Finding the Fourth Proportional to 3,624,135.40, 5,436,203.10 and 1,493,122.60
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Solution
The fourth proportional to 3,624,135.40, 5,436,203.10 and 1,493,122.60 is: 2,239,683.90
Step by Step Solution
- Step 1: Write the proportion equation
3,624,135.40 : 5,436,203.10 = 1,493,122.60 : x - Step 2: Convert to fraction form
3,624,135.40/5,436,203.10 = 1,493,122.60/x - Step 3: Cross multiply
3,624,135.40x = 5,436,203.10 × 1,493,122.60 - Step 4: Simplify right side
3,624,135.40x = 8,116,917,706,800.06 - Step 5: Solve for x
x = 8,116,917,706,800.06/3,624,135.40 - Step 6: Final answer
x = 2,239,683.90
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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.