Finding the Fourth Proportional to 2,751,201.60, 4,129,912.80 and 2,122,900.80
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Solution
The fourth proportional to 2,751,201.60, 4,129,912.80 and 2,122,900.80 is: 3,186,751.27
Step by Step Solution
- Step 1: Write the proportion equation
2,751,201.60 : 4,129,912.80 = 2,122,900.80 : x - Step 2: Convert to fraction form
2,751,201.60/4,129,912.80 = 2,122,900.80/x - Step 3: Cross multiply
2,751,201.60x = 4,129,912.80 × 2,122,900.80 - Step 4: Simplify right side
2,751,201.60x = 8,767,395,187,050.24 - Step 5: Solve for x
x = 8,767,395,187,050.24/2,751,201.60 - Step 6: Final answer
x = 3,186,751.27
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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.