Finding the Fourth Proportional to 2,279,160.51, 3,142,163.55 and 1,461,945.57
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Solution
The fourth proportional to 2,279,160.51, 3,142,163.55 and 1,461,945.57 is: 2,015,510.56
Step by Step Solution
- Step 1: Write the proportion equation
2,279,160.51 : 3,142,163.55 = 1,461,945.57 : x - Step 2: Convert to fraction form
2,279,160.51/3,142,163.55 = 1,461,945.57/x - Step 3: Cross multiply
2,279,160.51x = 3,142,163.55 × 1,461,945.57 - Step 4: Simplify right side
2,279,160.51x = 4,593,672,082,137.97 - Step 5: Solve for x
x = 4,593,672,082,137.97/2,279,160.51 - Step 6: Final answer
x = 2,015,510.56
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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.