Finding the Fourth Proportional to 5,164,231.70, 7,126,639.58 and 2,841,074.31
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Solution
The fourth proportional to 5,164,231.70, 7,126,639.58 and 2,841,074.31 is: 3,920,682.46
Step by Step Solution
- Step 1: Write the proportion equation
5,164,231.70 : 7,126,639.58 = 2,841,074.31 : x - Step 2: Convert to fraction form
5,164,231.70/7,126,639.58 = 2,841,074.31/x - Step 3: Cross multiply
5,164,231.70x = 7,126,639.58 × 2,841,074.31 - Step 4: Simplify right side
5,164,231.70x = 20,247,312,613,161.82 - Step 5: Solve for x
x = 20,247,312,613,161.82/5,164,231.70 - Step 6: Final answer
x = 3,920,682.46
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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.