Finding the Fourth Proportional to 3,589,469.39, 4,953,467.79 and 1,957,876.67
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Solution
The fourth proportional to 3,589,469.39, 4,953,467.79 and 1,957,876.67 is: 2,701,869.82
Step by Step Solution
- Step 1: Write the proportion equation
3,589,469.39 : 4,953,467.79 = 1,957,876.67 : x - Step 2: Convert to fraction form
3,589,469.39/4,953,467.79 = 1,957,876.67/x - Step 3: Cross multiply
3,589,469.39x = 4,953,467.79 × 1,957,876.67 - Step 4: Simplify right side
3,589,469.39x = 9,698,279,034,021.13 - Step 5: Solve for x
x = 9,698,279,034,021.13/3,589,469.39 - Step 6: Final answer
x = 2,701,869.82
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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.