Finding the Fourth Proportional to 3,215,481.89, 4,819,553.78 and 1,295,163.99
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Solution
The fourth proportional to 3,215,481.89, 4,819,553.78 and 1,295,163.99 is: 1,941,268.13
Step by Step Solution
- Step 1: Write the proportion equation
3,215,481.89 : 4,819,553.78 = 1,295,163.99 : x - Step 2: Convert to fraction form
3,215,481.89/4,819,553.78 = 1,295,163.99/x - Step 3: Cross multiply
3,215,481.89x = 4,819,553.78 × 1,295,163.99 - Step 4: Simplify right side
3,215,481.89x = 6,242,112,497,248.56 - Step 5: Solve for x
x = 6,242,112,497,248.56/3,215,481.89 - Step 6: Final answer
x = 1,941,268.13
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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.