Finding the Fourth Proportional to 3,235,993.92, 4,852,729.22 and 1,213,135.07
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Solution
The fourth proportional to 3,235,993.92, 4,852,729.22 and 1,213,135.07 is: 1,819,229.61
Step by Step Solution
- Step 1: Write the proportion equation
3,235,993.92 : 4,852,729.22 = 1,213,135.07 : x - Step 2: Convert to fraction form
3,235,993.92/4,852,729.22 = 1,213,135.07/x - Step 3: Cross multiply
3,235,993.92x = 4,852,729.22 × 1,213,135.07 - Step 4: Simplify right side
3,235,993.92x = 5,887,015,971,666.42 - Step 5: Solve for x
x = 5,887,015,971,666.42/3,235,993.92 - Step 6: Final answer
x = 1,819,229.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.