Finding the Fourth Proportional to 2,198,836.80, 3,295,630.80 and 919,441.80
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Solution
The fourth proportional to 2,198,836.80, 3,295,630.80 and 919,441.80 is: 1,378,065.31
Step by Step Solution
- Step 1: Write the proportion equation
2,198,836.80 : 3,295,630.80 = 919,441.80 : x - Step 2: Convert to fraction form
2,198,836.80/3,295,630.80 = 919,441.80/x - Step 3: Cross multiply
2,198,836.80x = 3,295,630.80 × 919,441.80 - Step 4: Simplify right side
2,198,836.80x = 3,030,140,714,887.44 - Step 5: Solve for x
x = 3,030,140,714,887.44/2,198,836.80 - Step 6: Final answer
x = 1,378,065.31
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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.