Finding the Fourth Proportional to 2,142,850.18, 3,214,078.44 and 722,918.56
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Solution
The fourth proportional to 2,142,850.18, 3,214,078.44 and 722,918.56 is: 1,084,311.44
Step by Step Solution
- Step 1: Write the proportion equation
2,142,850.18 : 3,214,078.44 = 722,918.56 : x - Step 2: Convert to fraction form
2,142,850.18/3,214,078.44 = 722,918.56/x - Step 3: Cross multiply
2,142,850.18x = 3,214,078.44 × 722,918.56 - Step 4: Simplify right side
2,142,850.18x = 2,323,516,957,571.85 - Step 5: Solve for x
x = 2,323,516,957,571.85/2,142,850.18 - Step 6: Final answer
x = 1,084,311.44
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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.