Finding the Fourth Proportional to 1,591,408.53, 2,196,171.81 and 866,277.09
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Solution
The fourth proportional to 1,591,408.53, 2,196,171.81 and 866,277.09 is: 1,195,477.65
Step by Step Solution
- Step 1: Write the proportion equation
1,591,408.53 : 2,196,171.81 = 866,277.09 : x - Step 2: Convert to fraction form
1,591,408.53/2,196,171.81 = 866,277.09/x - Step 3: Cross multiply
1,591,408.53x = 2,196,171.81 × 866,277.09 - Step 4: Simplify right side
1,591,408.53x = 1,902,493,324,706.83 - Step 5: Solve for x
x = 1,902,493,324,706.83/1,591,408.53 - Step 6: Final answer
x = 1,195,477.65
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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.