Finding the Fourth Proportional to 4,413,942.70, 6,091,785.16 and 2,480,161.26
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Solution
The fourth proportional to 4,413,942.70, 6,091,785.16 and 2,480,161.26 is: 3,422,928.34
Step by Step Solution
- Step 1: Write the proportion equation
4,413,942.70 : 6,091,785.16 = 2,480,161.26 : x - Step 2: Convert to fraction form
4,413,942.70/6,091,785.16 = 2,480,161.26/x - Step 3: Cross multiply
4,413,942.70x = 6,091,785.16 × 2,480,161.26 - Step 4: Simplify right side
4,413,942.70x = 15,108,609,558,074.90 - Step 5: Solve for x
x = 15,108,609,558,074.90/4,413,942.70 - Step 6: Final answer
x = 3,422,928.34
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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.