Finding the Fourth Proportional to 5,005,327.53, 6,907,406.39 and 2,940,430.14
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Solution
The fourth proportional to 5,005,327.53, 6,907,406.39 and 2,940,430.14 is: 4,057,825.55
Step by Step Solution
- Step 1: Write the proportion equation
5,005,327.53 : 6,907,406.39 = 2,940,430.14 : x - Step 2: Convert to fraction form
5,005,327.53/6,907,406.39 = 2,940,430.14/x - Step 3: Cross multiply
5,005,327.53x = 6,907,406.39 × 2,940,430.14 - Step 4: Simplify right side
5,005,327.53x = 20,310,745,934,709.06 - Step 5: Solve for x
x = 20,310,745,934,709.06/5,005,327.53 - Step 6: Final answer
x = 4,057,825.55
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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.