Finding the Fourth Proportional to 3,936,504.40, 5,903,950.20 and 1,095,902.80
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Solution
The fourth proportional to 3,936,504.40, 5,903,950.20 and 1,095,902.80 is: 1,643,629.70
Step by Step Solution
- Step 1: Write the proportion equation
3,936,504.40 : 5,903,950.20 = 1,095,902.80 : x - Step 2: Convert to fraction form
3,936,504.40/5,903,950.20 = 1,095,902.80/x - Step 3: Cross multiply
3,936,504.40x = 5,903,950.20 × 1,095,902.80 - Step 4: Simplify right side
3,936,504.40x = 6,470,155,555,240.56 - Step 5: Solve for x
x = 6,470,155,555,240.56/3,936,504.40 - Step 6: Final answer
x = 1,643,629.70
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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.