Finding the Fourth Proportional to 3,177,120.03, 4,384,470.09 and 1,726,815.03
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Solution
The fourth proportional to 3,177,120.03, 4,384,470.09 and 1,726,815.03 is: 2,383,028.90
Step by Step Solution
- Step 1: Write the proportion equation
3,177,120.03 : 4,384,470.09 = 1,726,815.03 : x - Step 2: Convert to fraction form
3,177,120.03/4,384,470.09 = 1,726,815.03/x - Step 3: Cross multiply
3,177,120.03x = 4,384,470.09 × 1,726,815.03 - Step 4: Simplify right side
3,177,120.03x = 7,571,168,849,997.45 - Step 5: Solve for x
x = 7,571,168,849,997.45/3,177,120.03 - Step 6: Final answer
x = 2,383,028.90
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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.