Finding the Fourth Proportional to 1,326,233.36, 1,989,738.22 and 427,657.02
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Solution
The fourth proportional to 1,326,233.36, 1,989,738.22 and 427,657.02 is: 641,610.70
Step by Step Solution
- Step 1: Write the proportion equation
1,326,233.36 : 1,989,738.22 = 427,657.02 : x - Step 2: Convert to fraction form
1,326,233.36/1,989,738.22 = 427,657.02/x - Step 3: Cross multiply
1,326,233.36x = 1,989,738.22 × 427,657.02 - Step 4: Simplify right side
1,326,233.36x = 850,925,517,745.31 - Step 5: Solve for x
x = 850,925,517,745.31/1,326,233.36 - Step 6: Final answer
x = 641,610.70
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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.