Finding the Fourth Proportional to 7,438,241.26, 10,263,984.42 and 4,175,415.46
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Solution
The fourth proportional to 7,438,241.26, 10,263,984.42 and 4,175,415.46 is: 5,761,630.70
Step by Step Solution
- Step 1: Write the proportion equation
7,438,241.26 : 10,263,984.42 = 4,175,415.46 : x - Step 2: Convert to fraction form
7,438,241.26/10,263,984.42 = 4,175,415.46/x - Step 3: Cross multiply
7,438,241.26x = 10,263,984.42 × 4,175,415.46 - Step 4: Simplify right side
7,438,241.26x = 42,856,399,228,467.13 - Step 5: Solve for x
x = 42,856,399,228,467.13/7,438,241.26 - Step 6: Final answer
x = 5,761,630.70
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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.