Finding the Fourth Proportional to 4,135,793.40, 6,203,690.10 and 3,072,911.40
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Solution
The fourth proportional to 4,135,793.40, 6,203,690.10 and 3,072,911.40 is: 4,609,367.10
Step by Step Solution
- Step 1: Write the proportion equation
4,135,793.40 : 6,203,690.10 = 3,072,911.40 : x - Step 2: Convert to fraction form
4,135,793.40/6,203,690.10 = 3,072,911.40/x - Step 3: Cross multiply
4,135,793.40x = 6,203,690.10 × 3,072,911.40 - Step 4: Simplify right side
4,135,793.40x = 19,063,390,030,357.14 - Step 5: Solve for x
x = 19,063,390,030,357.14/4,135,793.40 - Step 6: Final answer
x = 4,609,367.10
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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.