Finding the Fourth Proportional to 2,203,657.80, 3,305,486.70 and 1,447,830.60
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Solution
The fourth proportional to 2,203,657.80, 3,305,486.70 and 1,447,830.60 is: 2,171,745.90
Step by Step Solution
- Step 1: Write the proportion equation
2,203,657.80 : 3,305,486.70 = 1,447,830.60 : x - Step 2: Convert to fraction form
2,203,657.80/3,305,486.70 = 1,447,830.60/x - Step 3: Cross multiply
2,203,657.80x = 3,305,486.70 × 1,447,830.60 - Step 4: Simplify right side
2,203,657.80x = 4,785,784,792,153.02 - Step 5: Solve for x
x = 4,785,784,792,153.02/2,203,657.80 - Step 6: Final answer
x = 2,171,745.90
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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.