Finding the Fourth Proportional to 4,609,273.20, 6,913,909.80 and 3,190,930.80
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Solution
The fourth proportional to 4,609,273.20, 6,913,909.80 and 3,190,930.80 is: 4,786,396.20
Step by Step Solution
- Step 1: Write the proportion equation
4,609,273.20 : 6,913,909.80 = 3,190,930.80 : x - Step 2: Convert to fraction form
4,609,273.20/6,913,909.80 = 3,190,930.80/x - Step 3: Cross multiply
4,609,273.20x = 6,913,909.80 × 3,190,930.80 - Step 4: Simplify right side
4,609,273.20x = 22,061,807,729,241.84 - Step 5: Solve for x
x = 22,061,807,729,241.84/4,609,273.20 - Step 6: Final answer
x = 4,786,396.20
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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.