Finding the Fourth Proportional to 2,801,859.55, 4,202,792.49 and 780,107.92
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Solution
The fourth proportional to 2,801,859.55, 4,202,792.49 and 780,107.92 is: 1,170,162.76
Step by Step Solution
- Step 1: Write the proportion equation
2,801,859.55 : 4,202,792.49 = 780,107.92 : x - Step 2: Convert to fraction form
2,801,859.55/4,202,792.49 = 780,107.92/x - Step 3: Cross multiply
2,801,859.55x = 4,202,792.49 × 780,107.92 - Step 4: Simplify right side
2,801,859.55x = 3,278,631,707,565.52 - Step 5: Solve for x
x = 3,278,631,707,565.52/2,801,859.55 - Step 6: Final answer
x = 1,170,162.76
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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.