Finding the Fourth Proportional to 3,946,246.60, 5,445,834.66 and 2,135,410.60
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Solution
The fourth proportional to 3,946,246.60, 5,445,834.66 and 2,135,410.60 is: 2,946,874.39
Step by Step Solution
- Step 1: Write the proportion equation
3,946,246.60 : 5,445,834.66 = 2,135,410.60 : x - Step 2: Convert to fraction form
3,946,246.60/5,445,834.66 = 2,135,410.60/x - Step 3: Cross multiply
3,946,246.60x = 5,445,834.66 × 2,135,410.60 - Step 4: Simplify right side
3,946,246.60x = 11,629,093,058,811.40 - Step 5: Solve for x
x = 11,629,093,058,811.40/3,946,246.60 - Step 6: Final answer
x = 2,946,874.39
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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.