Finding the Fourth Proportional to 4,481,366.70, 6,724,674.45 and 1,641,765.90
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Solution
The fourth proportional to 4,481,366.70, 6,724,674.45 and 1,641,765.90 is: 2,463,610.31
Step by Step Solution
- Step 1: Write the proportion equation
4,481,366.70 : 6,724,674.45 = 1,641,765.90 : x - Step 2: Convert to fraction form
4,481,366.70/6,724,674.45 = 1,641,765.90/x - Step 3: Cross multiply
4,481,366.70x = 6,724,674.45 × 1,641,765.90 - Step 4: Simplify right side
4,481,366.70x = 11,040,341,200,611.25 - Step 5: Solve for x
x = 11,040,341,200,611.25/4,481,366.70 - Step 6: Final answer
x = 2,463,610.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.