Finding the Fourth Proportional to 4,903,936.56, 6,767,465.76 and 2,728,571.28
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Solution
The fourth proportional to 4,903,936.56, 6,767,465.76 and 2,728,571.28 is: 3,765,446.90
Step by Step Solution
- Step 1: Write the proportion equation
4,903,936.56 : 6,767,465.76 = 2,728,571.28 : x - Step 2: Convert to fraction form
4,903,936.56/6,767,465.76 = 2,728,571.28/x - Step 3: Cross multiply
4,903,936.56x = 6,767,465.76 × 2,728,571.28 - Step 4: Simplify right side
4,903,936.56x = 18,465,512,711,119.37 - Step 5: Solve for x
x = 18,465,512,711,119.37/4,903,936.56 - Step 6: Final answer
x = 3,765,446.90
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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.