Finding the Fourth Proportional to 1,628,272.44, 2,439,325.85 and 1,086,896.31
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Solution
The fourth proportional to 1,628,272.44, 2,439,325.85 and 1,086,896.31 is: 1,628,286.64
Step by Step Solution
- Step 1: Write the proportion equation
1,628,272.44 : 2,439,325.85 = 1,086,896.31 : x - Step 2: Convert to fraction form
1,628,272.44/2,439,325.85 = 1,086,896.31/x - Step 3: Cross multiply
1,628,272.44x = 2,439,325.85 × 1,086,896.31 - Step 4: Simplify right side
1,628,272.44x = 2,651,294,259,818.13 - Step 5: Solve for x
x = 2,651,294,259,818.13/1,628,272.44 - Step 6: Final answer
x = 1,628,286.64
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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.