Finding the Fourth Proportional to 3,217,214.56, 4,825,819.07 and 821,059
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Solution
The fourth proportional to 3,217,214.56, 4,825,819.07 and 821,059 is: 1,231,587.79
Step by Step Solution
- Step 1: Write the proportion equation
3,217,214.56 : 4,825,819.07 = 821,059 : x - Step 2: Convert to fraction form
3,217,214.56/4,825,819.07 = 821,059/x - Step 3: Cross multiply
3,217,214.56x = 4,825,819.07 × 821,059 - Step 4: Simplify right side
3,217,214.56x = 3,962,282,179,795.13 - Step 5: Solve for x
x = 3,962,282,179,795.13/3,217,214.56 - Step 6: Final answer
x = 1,231,587.79
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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.