Finding the Fourth Proportional to 1,592,757.82, 2,198,025.09 and 867,611.53
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Solution
The fourth proportional to 1,592,757.82, 2,198,025.09 and 867,611.53 is: 1,197,314.42
Step by Step Solution
- Step 1: Write the proportion equation
1,592,757.82 : 2,198,025.09 = 867,611.53 : x - Step 2: Convert to fraction form
1,592,757.82/2,198,025.09 = 867,611.53/x - Step 3: Cross multiply
1,592,757.82x = 2,198,025.09 × 867,611.53 - Step 4: Simplify right side
1,592,757.82x = 1,907,031,911,313.29 - Step 5: Solve for x
x = 1,907,031,911,313.29/1,592,757.82 - Step 6: Final answer
x = 1,197,314.42
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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.