Finding the Fourth Proportional to 2,254,148.11, 3,110,716.33 and 1,221,680.94
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Solution
The fourth proportional to 2,254,148.11, 3,110,716.33 and 1,221,680.94 is: 1,685,915.33
Step by Step Solution
- Step 1: Write the proportion equation
2,254,148.11 : 3,110,716.33 = 1,221,680.94 : x - Step 2: Convert to fraction form
2,254,148.11/3,110,716.33 = 1,221,680.94/x - Step 3: Cross multiply
2,254,148.11x = 3,110,716.33 × 1,221,680.94 - Step 4: Simplify right side
2,254,148.11x = 3,800,302,850,107.75 - Step 5: Solve for x
x = 3,800,302,850,107.75/2,254,148.11 - Step 6: Final answer
x = 1,685,915.33
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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.