Finding the Fourth Proportional to 3,819,512.18, 5,269,635.24 and 2,165,481.74
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Solution
The fourth proportional to 3,819,512.18, 5,269,635.24 and 2,165,481.74 is: 2,987,632.54
Step by Step Solution
- Step 1: Write the proportion equation
3,819,512.18 : 5,269,635.24 = 2,165,481.74 : x - Step 2: Convert to fraction form
3,819,512.18/5,269,635.24 = 2,165,481.74/x - Step 3: Cross multiply
3,819,512.18x = 5,269,635.24 × 2,165,481.74 - Step 4: Simplify right side
3,819,512.18x = 11,411,298,888,680.52 - Step 5: Solve for x
x = 11,411,298,888,680.52/3,819,512.18 - Step 6: Final answer
x = 2,987,632.54
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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.