Finding the Fourth Proportional to 1,628,639.11, 2,441,369.82 and 775,481.60
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Solution
The fourth proportional to 1,628,639.11, 2,441,369.82 and 775,481.60 is: 1,162,465.86
Step by Step Solution
- Step 1: Write the proportion equation
1,628,639.11 : 2,441,369.82 = 775,481.60 : x - Step 2: Convert to fraction form
1,628,639.11/2,441,369.82 = 775,481.60/x - Step 3: Cross multiply
1,628,639.11x = 2,441,369.82 × 775,481.60 - Step 4: Simplify right side
1,628,639.11x = 1,893,237,365,122.00 - Step 5: Solve for x
x = 1,893,237,365,122.00/1,628,639.11 - Step 6: Final answer
x = 1,162,465.86
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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.