Finding the Fourth Proportional to 6,121,033.20, 9,173,676.60 and 3,722,331.60
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Solution
The fourth proportional to 6,121,033.20, 9,173,676.60 and 3,722,331.60 is: 5,578,709.54
Step by Step Solution
- Step 1: Write the proportion equation
6,121,033.20 : 9,173,676.60 = 3,722,331.60 : x - Step 2: Convert to fraction form
6,121,033.20/9,173,676.60 = 3,722,331.60/x - Step 3: Cross multiply
6,121,033.20x = 9,173,676.60 × 3,722,331.60 - Step 4: Simplify right side
6,121,033.20x = 34,147,466,296,360.56 - Step 5: Solve for x
x = 34,147,466,296,360.56/6,121,033.20 - Step 6: Final answer
x = 5,578,709.54
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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.