Finding the Fourth Proportional to 3,850,350.27, 5,313,546.05 and 2,107,990.26
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Solution
The fourth proportional to 3,850,350.27, 5,313,546.05 and 2,107,990.26 is: 2,909,060.87
Step by Step Solution
- Step 1: Write the proportion equation
3,850,350.27 : 5,313,546.05 = 2,107,990.26 : x - Step 2: Convert to fraction form
3,850,350.27/5,313,546.05 = 2,107,990.26/x - Step 3: Cross multiply
3,850,350.27x = 5,313,546.05 × 2,107,990.26 - Step 4: Simplify right side
3,850,350.27x = 11,200,903,308,921.52 - Step 5: Solve for x
x = 11,200,903,308,921.52/3,850,350.27 - Step 6: Final answer
x = 2,909,060.87
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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.