Finding the Fourth Proportional to 1,965,631.34, 2,712,682.90 and 1,180,937.26
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Solution
The fourth proportional to 1,965,631.34, 2,712,682.90 and 1,180,937.26 is: 1,629,760.50
Step by Step Solution
- Step 1: Write the proportion equation
1,965,631.34 : 2,712,682.90 = 1,180,937.26 : x - Step 2: Convert to fraction form
1,965,631.34/2,712,682.90 = 1,180,937.26/x - Step 3: Cross multiply
1,965,631.34x = 2,712,682.90 × 1,180,937.26 - Step 4: Simplify right side
1,965,631.34x = 3,203,508,311,174.85 - Step 5: Solve for x
x = 3,203,508,311,174.85/1,965,631.34 - Step 6: Final answer
x = 1,629,760.50
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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.