Finding the Fourth Proportional to 2,288,584.14, 3,158,318.61 and 1,321,696.86
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Solution
The fourth proportional to 2,288,584.14, 3,158,318.61 and 1,321,696.86 is: 1,823,983.53
Step by Step Solution
- Step 1: Write the proportion equation
2,288,584.14 : 3,158,318.61 = 1,321,696.86 : x - Step 2: Convert to fraction form
2,288,584.14/3,158,318.61 = 1,321,696.86/x - Step 3: Cross multiply
2,288,584.14x = 3,158,318.61 × 1,321,696.86 - Step 4: Simplify right side
2,288,584.14x = 4,174,339,789,716.57 - Step 5: Solve for x
x = 4,174,339,789,716.57/2,288,584.14 - Step 6: Final answer
x = 1,823,983.53
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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.