Finding the Fourth Proportional to 1,782,912.59, 2,457,689.30 and 1,093,305.62
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Solution
The fourth proportional to 1,782,912.59, 2,457,689.30 and 1,093,305.62 is: 1,507,087.64
Step by Step Solution
- Step 1: Write the proportion equation
1,782,912.59 : 2,457,689.30 = 1,093,305.62 : x - Step 2: Convert to fraction form
1,782,912.59/2,457,689.30 = 1,093,305.62/x - Step 3: Cross multiply
1,782,912.59x = 2,457,689.30 × 1,093,305.62 - Step 4: Simplify right side
1,782,912.59x = 2,687,005,523,903.87 - Step 5: Solve for x
x = 2,687,005,523,903.87/1,782,912.59 - Step 6: Final answer
x = 1,507,087.64
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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.