Finding the Fourth Proportional to 1,683,112.53, 2,322,703.83 and 919,166.07
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Solution
The fourth proportional to 1,683,112.53, 2,322,703.83 and 919,166.07 is: 1,268,453.84
Step by Step Solution
- Step 1: Write the proportion equation
1,683,112.53 : 2,322,703.83 = 919,166.07 : x - Step 2: Convert to fraction form
1,683,112.53/2,322,703.83 = 919,166.07/x - Step 3: Cross multiply
1,683,112.53x = 2,322,703.83 × 919,166.07 - Step 4: Simplify right side
1,683,112.53x = 2,134,950,551,195.05 - Step 5: Solve for x
x = 2,134,950,551,195.05/1,683,112.53 - Step 6: Final answer
x = 1,268,453.84
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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.