Finding the Fourth Proportional to 2,392,871.70, 3,302,202.24 and 1,305,143.22
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Solution
The fourth proportional to 2,392,871.70, 3,302,202.24 and 1,305,143.22 is: 1,801,119.08
Step by Step Solution
- Step 1: Write the proportion equation
2,392,871.70 : 3,302,202.24 = 1,305,143.22 : x - Step 2: Convert to fraction form
2,392,871.70/3,302,202.24 = 1,305,143.22/x - Step 3: Cross multiply
2,392,871.70x = 3,302,202.24 × 1,305,143.22 - Step 4: Simplify right side
2,392,871.70x = 4,309,846,864,604.81 - Step 5: Solve for x
x = 4,309,846,864,604.81/2,392,871.70 - Step 6: Final answer
x = 1,801,119.08
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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.