Finding the Fourth Proportional to 1,821,278.37, 2,731,441.47 and 541,541.19
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Solution
The fourth proportional to 1,821,278.37, 2,731,441.47 and 541,541.19 is: 812,170.23
Step by Step Solution
- Step 1: Write the proportion equation
1,821,278.37 : 2,731,441.47 = 541,541.19 : x - Step 2: Convert to fraction form
1,821,278.37/2,731,441.47 = 541,541.19/x - Step 3: Cross multiply
1,821,278.37x = 2,731,441.47 × 541,541.19 - Step 4: Simplify right side
1,821,278.37x = 1,479,188,064,079.15 - Step 5: Solve for x
x = 1,479,188,064,079.15/1,821,278.37 - Step 6: Final answer
x = 812,170.23
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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.