Finding the Fourth Proportional to 2,515,438.12, 3,772,362.96 and 809,201.02
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Solution
The fourth proportional to 2,515,438.12, 3,772,362.96 and 809,201.02 is: 1,213,546.03
Step by Step Solution
- Step 1: Write the proportion equation
2,515,438.12 : 3,772,362.96 = 809,201.02 : x - Step 2: Convert to fraction form
2,515,438.12/3,772,362.96 = 809,201.02/x - Step 3: Cross multiply
2,515,438.12x = 3,772,362.96 × 809,201.02 - Step 4: Simplify right side
2,515,438.12x = 3,052,599,955,042.22 - Step 5: Solve for x
x = 3,052,599,955,042.22/2,515,438.12 - Step 6: Final answer
x = 1,213,546.03
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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.