Finding the Fourth Proportional to 5,330,212.80, 7,992,986.40 and 2,134,276.80
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Solution
The fourth proportional to 5,330,212.80, 7,992,986.40 and 2,134,276.80 is: 3,200,481.12
Step by Step Solution
- Step 1: Write the proportion equation
5,330,212.80 : 7,992,986.40 = 2,134,276.80 : x - Step 2: Convert to fraction form
5,330,212.80/7,992,986.40 = 2,134,276.80/x - Step 3: Cross multiply
5,330,212.80x = 7,992,986.40 × 2,134,276.80 - Step 4: Simplify right side
5,330,212.80x = 17,059,245,436,235.52 - Step 5: Solve for x
x = 17,059,245,436,235.52/5,330,212.80 - Step 6: Final answer
x = 3,200,481.12
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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.