Finding the Fourth Proportional to 1,628,367.24, 2,442,557.10 and 681,073.44
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Solution
The fourth proportional to 1,628,367.24, 2,442,557.10 and 681,073.44 is: 1,021,612.77
Step by Step Solution
- Step 1: Write the proportion equation
1,628,367.24 : 2,442,557.10 = 681,073.44 : x - Step 2: Convert to fraction form
1,628,367.24/2,442,557.10 = 681,073.44/x - Step 3: Cross multiply
1,628,367.24x = 2,442,557.10 × 681,073.44 - Step 4: Simplify right side
1,628,367.24x = 1,663,560,766,493.42 - Step 5: Solve for x
x = 1,663,560,766,493.42/1,628,367.24 - Step 6: Final answer
x = 1,021,612.77
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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.