Finding the Fourth Proportional to 3,850,574.10, 5,313,581.52 and 2,107,906.44
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Solution
The fourth proportional to 3,850,574.10, 5,313,581.52 and 2,107,906.44 is: 2,908,795.52
Step by Step Solution
- Step 1: Write the proportion equation
3,850,574.10 : 5,313,581.52 = 2,107,906.44 : x - Step 2: Convert to fraction form
3,850,574.10/5,313,581.52 = 2,107,906.44/x - Step 3: Cross multiply
3,850,574.10x = 5,313,581.52 × 2,107,906.44 - Step 4: Simplify right side
3,850,574.10x = 11,200,532,705,472.99 - Step 5: Solve for x
x = 11,200,532,705,472.99/3,850,574.10 - Step 6: Final answer
x = 2,908,795.52
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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.