Finding the Fourth Proportional to 3,885,378.24, 5,826,806.12 and 1,290,986.24
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Solution
The fourth proportional to 3,885,378.24, 5,826,806.12 and 1,290,986.24 is: 1,936,060.29
Step by Step Solution
- Step 1: Write the proportion equation
3,885,378.24 : 5,826,806.12 = 1,290,986.24 : x - Step 2: Convert to fraction form
3,885,378.24/5,826,806.12 = 1,290,986.24/x - Step 3: Cross multiply
3,885,378.24x = 5,826,806.12 × 1,290,986.24 - Step 4: Simplify right side
3,885,378.24x = 7,522,326,524,067.79 - Step 5: Solve for x
x = 7,522,326,524,067.79/3,885,378.24 - Step 6: Final answer
x = 1,936,060.29
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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.