Finding the Fourth Proportional to 4,608,717.92, 6,358,256.88 and 2,886,840.80
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Solution
The fourth proportional to 4,608,717.92, 6,358,256.88 and 2,886,840.80 is: 3,982,729.19
Step by Step Solution
- Step 1: Write the proportion equation
4,608,717.92 : 6,358,256.88 = 2,886,840.80 : x - Step 2: Convert to fraction form
4,608,717.92/6,358,256.88 = 2,886,840.80/x - Step 3: Cross multiply
4,608,717.92x = 6,358,256.88 × 2,886,840.80 - Step 4: Simplify right side
4,608,717.92x = 18,355,275,378,064.70 - Step 5: Solve for x
x = 18,355,275,378,064.70/4,608,717.92 - Step 6: Final answer
x = 3,982,729.19
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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.