Finding the Fourth Proportional to 2,028,198.24, 2,798,093.28 and 1,168,297.92
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Solution
The fourth proportional to 2,028,198.24, 2,798,093.28 and 1,168,297.92 is: 1,611,778.62
Step by Step Solution
- Step 1: Write the proportion equation
2,028,198.24 : 2,798,093.28 = 1,168,297.92 : x - Step 2: Convert to fraction form
2,028,198.24/2,798,093.28 = 1,168,297.92/x - Step 3: Cross multiply
2,028,198.24x = 2,798,093.28 × 1,168,297.92 - Step 4: Simplify right side
2,028,198.24x = 3,269,006,558,989.98 - Step 5: Solve for x
x = 3,269,006,558,989.98/2,028,198.24 - Step 6: Final answer
x = 1,611,778.62
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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.