Finding the Fourth Proportional to 5,750,770.40, 7,936,040.24 and 3,172,611.68
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Solution
The fourth proportional to 5,750,770.40, 7,936,040.24 and 3,172,611.68 is: 4,378,191.48
Step by Step Solution
- Step 1: Write the proportion equation
5,750,770.40 : 7,936,040.24 = 3,172,611.68 : x - Step 2: Convert to fraction form
5,750,770.40/7,936,040.24 = 3,172,611.68/x - Step 3: Cross multiply
5,750,770.40x = 7,936,040.24 × 3,172,611.68 - Step 4: Simplify right side
5,750,770.40x = 25,177,973,958,374.00 - Step 5: Solve for x
x = 25,177,973,958,374.00/5,750,770.40 - Step 6: Final answer
x = 4,378,191.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.