Finding the Fourth Proportional to 3,721,478.50, 5,135,257.54 and 2,089,872.62
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Solution
The fourth proportional to 3,721,478.50, 5,135,257.54 and 2,089,872.62 is: 2,883,809.25
Step by Step Solution
- Step 1: Write the proportion equation
3,721,478.50 : 5,135,257.54 = 2,089,872.62 : x - Step 2: Convert to fraction form
3,721,478.50/5,135,257.54 = 2,089,872.62/x - Step 3: Cross multiply
3,721,478.50x = 5,135,257.54 × 2,089,872.62 - Step 4: Simplify right side
3,721,478.50x = 10,732,034,129,494.55 - Step 5: Solve for x
x = 10,732,034,129,494.55/3,721,478.50 - Step 6: Final answer
x = 2,883,809.25
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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.