Finding the Fourth Proportional to 3,189,453.24, 4,397,869.98 and 2,606,868.84
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Solution
The fourth proportional to 3,189,453.24, 4,397,869.98 and 2,606,868.84 is: 3,594,556.61
Step by Step Solution
- Step 1: Write the proportion equation
3,189,453.24 : 4,397,869.98 = 2,606,868.84 : x - Step 2: Convert to fraction form
3,189,453.24/4,397,869.98 = 2,606,868.84/x - Step 3: Cross multiply
3,189,453.24x = 4,397,869.98 × 2,606,868.84 - Step 4: Simplify right side
3,189,453.24x = 11,464,670,213,233.42 - Step 5: Solve for x
x = 11,464,670,213,233.42/3,189,453.24 - Step 6: Final answer
x = 3,594,556.61
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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.