Finding the Fourth Proportional to 1,414,065.36, 2,121,102.42 and 349,107.54
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Solution
The fourth proportional to 1,414,065.36, 2,121,102.42 and 349,107.54 is: 523,662.39
Step by Step Solution
- Step 1: Write the proportion equation
1,414,065.36 : 2,121,102.42 = 349,107.54 : x - Step 2: Convert to fraction form
1,414,065.36/2,121,102.42 = 349,107.54/x - Step 3: Cross multiply
1,414,065.36x = 2,121,102.42 × 349,107.54 - Step 4: Simplify right side
1,414,065.36x = 740,492,847,934.25 - Step 5: Solve for x
x = 740,492,847,934.25/1,414,065.36 - Step 6: Final answer
x = 523,662.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.