Finding the Fourth Proportional to 2,585,709.54, 3,568,276.90 and 1,424,163.67
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Solution
The fourth proportional to 2,585,709.54, 3,568,276.90 and 1,424,163.67 is: 1,965,344.61
Step by Step Solution
- Step 1: Write the proportion equation
2,585,709.54 : 3,568,276.90 = 1,424,163.67 : x - Step 2: Convert to fraction form
2,585,709.54/3,568,276.90 = 1,424,163.67/x - Step 3: Cross multiply
2,585,709.54x = 3,568,276.90 × 1,424,163.67 - Step 4: Simplify right side
2,585,709.54x = 5,081,810,318,339.74 - Step 5: Solve for x
x = 5,081,810,318,339.74/2,585,709.54 - Step 6: Final answer
x = 1,965,344.61
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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.