Finding the Fourth Proportional to 3,438,512.70, 5,157,769.05 and 1,844,189.70
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Solution
The fourth proportional to 3,438,512.70, 5,157,769.05 and 1,844,189.70 is: 2,766,284.55
Step by Step Solution
- Step 1: Write the proportion equation
3,438,512.70 : 5,157,769.05 = 1,844,189.70 : x - Step 2: Convert to fraction form
3,438,512.70/5,157,769.05 = 1,844,189.70/x - Step 3: Cross multiply
3,438,512.70x = 5,157,769.05 × 1,844,189.70 - Step 4: Simplify right side
3,438,512.70x = 9,511,904,556,988.79 - Step 5: Solve for x
x = 9,511,904,556,988.79/3,438,512.70 - Step 6: Final answer
x = 2,766,284.55
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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.