Finding the Fourth Proportional to 3,423,439.96, 5,135,660.70 and 1,027,474.12
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Solution
The fourth proportional to 3,423,439.96, 5,135,660.70 and 1,027,474.12 is: 1,541,361.47
Step by Step Solution
- Step 1: Write the proportion equation
3,423,439.96 : 5,135,660.70 = 1,027,474.12 : x - Step 2: Convert to fraction form
3,423,439.96/5,135,660.70 = 1,027,474.12/x - Step 3: Cross multiply
3,423,439.96x = 5,135,660.70 × 1,027,474.12 - Step 4: Simplify right side
3,423,439.96x = 5,276,758,458,351.08 - Step 5: Solve for x
x = 5,276,758,458,351.08/3,423,439.96 - Step 6: Final answer
x = 1,541,361.47
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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.