Finding the Fourth Proportional to 2,203,670.20, 3,305,505.30 and 1,636,799.80
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Solution
The fourth proportional to 2,203,670.20, 3,305,505.30 and 1,636,799.80 is: 2,455,199.70
Step by Step Solution
- Step 1: Write the proportion equation
2,203,670.20 : 3,305,505.30 = 1,636,799.80 : x - Step 2: Convert to fraction form
2,203,670.20/3,305,505.30 = 1,636,799.80/x - Step 3: Cross multiply
2,203,670.20x = 3,305,505.30 × 1,636,799.80 - Step 4: Simplify right side
2,203,670.20x = 5,410,450,413,938.94 - Step 5: Solve for x
x = 5,410,450,413,938.94/2,203,670.20 - Step 6: Final answer
x = 2,455,199.70
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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.