Finding the Fourth Proportional to 5,743,645.90, 7,926,231.45 and 3,165,326.68
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Solution
The fourth proportional to 5,743,645.90, 7,926,231.45 and 3,165,326.68 is: 4,368,150.88
Step by Step Solution
- Step 1: Write the proportion equation
5,743,645.90 : 7,926,231.45 = 3,165,326.68 : x - Step 2: Convert to fraction form
5,743,645.90/7,926,231.45 = 3,165,326.68/x - Step 3: Cross multiply
5,743,645.90x = 7,926,231.45 × 3,165,326.68 - Step 4: Simplify right side
5,743,645.90x = 25,089,111,880,540.09 - Step 5: Solve for x
x = 25,089,111,880,540.09/5,743,645.90 - Step 6: Final answer
x = 4,368,150.88
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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.