Finding the Fourth Proportional to 3,562,639.20, 5,343,912.63 and 866,966.09
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Solution
The fourth proportional to 3,562,639.20, 5,343,912.63 and 866,966.09 is: 1,300,437.89
Step by Step Solution
- Step 1: Write the proportion equation
3,562,639.20 : 5,343,912.63 = 866,966.09 : x - Step 2: Convert to fraction form
3,562,639.20/5,343,912.63 = 866,966.09/x - Step 3: Cross multiply
3,562,639.20x = 5,343,912.63 × 866,966.09 - Step 4: Simplify right side
3,562,639.20x = 4,632,991,011,413.15 - Step 5: Solve for x
x = 4,632,991,011,413.15/3,562,639.20 - Step 6: Final answer
x = 1,300,437.89
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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.