Finding the Fourth Proportional to 5,018,183.62, 6,923,567.73 and 2,842,381.06
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Solution
The fourth proportional to 5,018,183.62, 6,923,567.73 and 2,842,381.06 is: 3,921,621.70
Step by Step Solution
- Step 1: Write the proportion equation
5,018,183.62 : 6,923,567.73 = 2,842,381.06 : x - Step 2: Convert to fraction form
5,018,183.62/6,923,567.73 = 2,842,381.06/x - Step 3: Cross multiply
5,018,183.62x = 6,923,567.73 × 2,842,381.06 - Step 4: Simplify right side
5,018,183.62x = 19,679,417,783,379.20 - Step 5: Solve for x
x = 19,679,417,783,379.20/5,018,183.62 - Step 6: Final answer
x = 3,921,621.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.