Finding the Fourth Proportional to 1,789,685.75, 2,469,766.74 and 984,869.75
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Solution
The fourth proportional to 1,789,685.75, 2,469,766.74 and 984,869.75 is: 1,359,120.48
Step by Step Solution
- Step 1: Write the proportion equation
1,789,685.75 : 2,469,766.74 = 984,869.75 : x - Step 2: Convert to fraction form
1,789,685.75/2,469,766.74 = 984,869.75/x - Step 3: Cross multiply
1,789,685.75x = 2,469,766.74 × 984,869.75 - Step 4: Simplify right side
1,789,685.75x = 2,432,398,551,782.12 - Step 5: Solve for x
x = 2,432,398,551,782.12/1,789,685.75 - Step 6: Final answer
x = 1,359,120.48
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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.