Finding the Fourth Proportional to 6,683,022.21, 9,220,989.98 and 3,782,413.08
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Solution
The fourth proportional to 6,683,022.21, 9,220,989.98 and 3,782,413.08 is: 5,218,835.43
Step by Step Solution
- Step 1: Write the proportion equation
6,683,022.21 : 9,220,989.98 = 3,782,413.08 : x - Step 2: Convert to fraction form
6,683,022.21/9,220,989.98 = 3,782,413.08/x - Step 3: Cross multiply
6,683,022.21x = 9,220,989.98 × 3,782,413.08 - Step 4: Simplify right side
6,683,022.21x = 34,877,593,045,883.92 - Step 5: Solve for x
x = 34,877,593,045,883.92/6,683,022.21 - Step 6: Final answer
x = 5,218,835.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.