Finding the Fourth Proportional to 3,747,629.34, 5,171,744.99 and 2,028,749.85
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Solution
The fourth proportional to 3,747,629.34, 5,171,744.99 and 2,028,749.85 is: 2,799,683.73
Step by Step Solution
- Step 1: Write the proportion equation
3,747,629.34 : 5,171,744.99 = 2,028,749.85 : x - Step 2: Convert to fraction form
3,747,629.34/5,171,744.99 = 2,028,749.85/x - Step 3: Cross multiply
3,747,629.34x = 5,171,744.99 × 2,028,749.85 - Step 4: Simplify right side
3,747,629.34x = 10,492,176,889,558.86 - Step 5: Solve for x
x = 10,492,176,889,558.86/3,747,629.34 - Step 6: Final answer
x = 2,799,683.73
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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.