Finding the Fourth Proportional to 1,589,179.60, 2,192,571.72 and 909,991.12
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Solution
The fourth proportional to 1,589,179.60, 2,192,571.72 and 909,991.12 is: 1,255,503.65
Step by Step Solution
- Step 1: Write the proportion equation
1,589,179.60 : 2,192,571.72 = 909,991.12 : x - Step 2: Convert to fraction form
1,589,179.60/2,192,571.72 = 909,991.12/x - Step 3: Cross multiply
1,589,179.60x = 2,192,571.72 × 909,991.12 - Step 4: Simplify right side
1,589,179.60x = 1,995,220,795,163.13 - Step 5: Solve for x
x = 1,995,220,795,163.13/1,589,179.60 - Step 6: Final answer
x = 1,255,503.65
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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.