Finding the Fourth Proportional to 1,821,278.31, 2,731,441.46 and 541,541.14
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Solution
The fourth proportional to 1,821,278.31, 2,731,441.46 and 541,541.14 is: 812,170.17
Step by Step Solution
- Step 1: Write the proportion equation
1,821,278.31 : 2,731,441.46 = 541,541.14 : x - Step 2: Convert to fraction form
1,821,278.31/2,731,441.46 = 541,541.14/x - Step 3: Cross multiply
1,821,278.31x = 2,731,441.46 × 541,541.14 - Step 4: Simplify right side
1,821,278.31x = 1,479,187,921,760.62 - Step 5: Solve for x
x = 1,479,187,921,760.62/1,821,278.31 - Step 6: Final answer
x = 812,170.17
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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.