Finding the Fourth Proportional to 1,229,674.70, 1,844,512.05 and 388,117.10
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Solution
The fourth proportional to 1,229,674.70, 1,844,512.05 and 388,117.10 is: 582,175.65
Step by Step Solution
- Step 1: Write the proportion equation
1,229,674.70 : 1,844,512.05 = 388,117.10 : x - Step 2: Convert to fraction form
1,229,674.70/1,844,512.05 = 388,117.10/x - Step 3: Cross multiply
1,229,674.70x = 1,844,512.05 × 388,117.10 - Step 4: Simplify right side
1,229,674.70x = 715,886,667,761.06 - Step 5: Solve for x
x = 715,886,667,761.06/1,229,674.70 - Step 6: Final answer
x = 582,175.65
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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.