Finding the Fourth Proportional to 3,863,235.40, 5,800,382.70 and 2,183,619.40
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Solution
The fourth proportional to 3,863,235.40, 5,800,382.70 and 2,183,619.40 is: 3,278,554.60
Step by Step Solution
- Step 1: Write the proportion equation
3,863,235.40 : 5,800,382.70 = 2,183,619.40 : x - Step 2: Convert to fraction form
3,863,235.40/5,800,382.70 = 2,183,619.40/x - Step 3: Cross multiply
3,863,235.40x = 5,800,382.70 × 2,183,619.40 - Step 4: Simplify right side
3,863,235.40x = 12,665,828,191,144.38 - Step 5: Solve for x
x = 12,665,828,191,144.38/3,863,235.40 - Step 6: Final answer
x = 3,278,554.60
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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.