Finding the Fourth Proportional to 3,468,242.10, 5,195,633.57 and 2,555,769.21
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Solution
The fourth proportional to 3,468,242.10, 5,195,633.57 and 2,555,769.21 is: 3,828,694.74
Step by Step Solution
- Step 1: Write the proportion equation
3,468,242.10 : 5,195,633.57 = 2,555,769.21 : x - Step 2: Convert to fraction form
3,468,242.10/5,195,633.57 = 2,555,769.21/x - Step 3: Cross multiply
3,468,242.10x = 5,195,633.57 × 2,555,769.21 - Step 4: Simplify right side
3,468,242.10x = 13,278,840,296,346.24 - Step 5: Solve for x
x = 13,278,840,296,346.24/3,468,242.10 - Step 6: Final answer
x = 3,828,694.74
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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.