Finding the Fourth Proportional to 1,609,896.70, 2,414,845.05 and 863,400.70
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Solution
The fourth proportional to 1,609,896.70, 2,414,845.05 and 863,400.70 is: 1,295,101.05
Step by Step Solution
- Step 1: Write the proportion equation
1,609,896.70 : 2,414,845.05 = 863,400.70 : x - Step 2: Convert to fraction form
1,609,896.70/2,414,845.05 = 863,400.70/x - Step 3: Cross multiply
1,609,896.70x = 2,414,845.05 × 863,400.70 - Step 4: Simplify right side
1,609,896.70x = 2,084,978,906,561.53 - Step 5: Solve for x
x = 2,084,978,906,561.53/1,609,896.70 - Step 6: Final answer
x = 1,295,101.05
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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.