Finding the Fourth Proportional to 4,128,793.20, 6,193,189.80 and 3,530,922.08
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Solution
The fourth proportional to 4,128,793.20, 6,193,189.80 and 3,530,922.08 is: 5,296,383.11
Step by Step Solution
- Step 1: Write the proportion equation
4,128,793.20 : 6,193,189.80 = 3,530,922.08 : x - Step 2: Convert to fraction form
4,128,793.20/6,193,189.80 = 3,530,922.08/x - Step 3: Cross multiply
4,128,793.20x = 6,193,189.80 × 3,530,922.08 - Step 4: Simplify right side
4,128,793.20x = 21,867,670,579,484.84 - Step 5: Solve for x
x = 21,867,670,579,484.84/4,128,793.20 - Step 6: Final answer
x = 5,296,383.11
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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.