Finding the Fourth Proportional to 4,896,477.20, 7,347,129.60 and 2,202,708.80
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Solution
The fourth proportional to 4,896,477.20, 7,347,129.60 and 2,202,708.80 is: 3,305,149.06
Step by Step Solution
- Step 1: Write the proportion equation
4,896,477.20 : 7,347,129.60 = 2,202,708.80 : x - Step 2: Convert to fraction form
4,896,477.20/7,347,129.60 = 2,202,708.80/x - Step 3: Cross multiply
4,896,477.20x = 7,347,129.60 × 2,202,708.80 - Step 4: Simplify right side
4,896,477.20x = 16,183,587,024,660.48 - Step 5: Solve for x
x = 16,183,587,024,660.48/4,896,477.20 - Step 6: Final answer
x = 3,305,149.06
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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.