Finding the Fourth Proportional to 4,743,831.92, 6,546,408.76 and 2,568,357.40
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Solution
The fourth proportional to 4,743,831.92, 6,546,408.76 and 2,568,357.40 is: 3,544,290.28
Step by Step Solution
- Step 1: Write the proportion equation
4,743,831.92 : 6,546,408.76 = 2,568,357.40 : x - Step 2: Convert to fraction form
4,743,831.92/6,546,408.76 = 2,568,357.40/x - Step 3: Cross multiply
4,743,831.92x = 6,546,408.76 × 2,568,357.40 - Step 4: Simplify right side
4,743,831.92x = 16,813,517,382,170.82 - Step 5: Solve for x
x = 16,813,517,382,170.82/4,743,831.92 - Step 6: Final answer
x = 3,544,290.28
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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.