Finding the Fourth Proportional to 1,579,375.46, 2,179,538.52 and 891,193.44
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Solution
The fourth proportional to 1,579,375.46, 2,179,538.52 and 891,193.44 is: 1,229,847.16
Step by Step Solution
- Step 1: Write the proportion equation
1,579,375.46 : 2,179,538.52 = 891,193.44 : x - Step 2: Convert to fraction form
1,579,375.46/2,179,538.52 = 891,193.44/x - Step 3: Cross multiply
1,579,375.46x = 2,179,538.52 × 891,193.44 - Step 4: Simplify right side
1,579,375.46x = 1,942,390,431,251.31 - Step 5: Solve for x
x = 1,942,390,431,251.31/1,579,375.46 - Step 6: Final answer
x = 1,229,847.16
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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.