Finding the Fourth Proportional to 3,507,505.44, 5,261,603.76 and 1,457,743.20
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Solution
The fourth proportional to 3,507,505.44, 5,261,603.76 and 1,457,743.20 is: 2,186,758.43
Step by Step Solution
- Step 1: Write the proportion equation
3,507,505.44 : 5,261,603.76 = 1,457,743.20 : x - Step 2: Convert to fraction form
3,507,505.44/5,261,603.76 = 1,457,743.20/x - Step 3: Cross multiply
3,507,505.44x = 5,261,603.76 × 1,457,743.20 - Step 4: Simplify right side
3,507,505.44x = 7,670,067,102,234.43 - Step 5: Solve for x
x = 7,670,067,102,234.43/3,507,505.44 - Step 6: Final answer
x = 2,186,758.43
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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.