Finding the Fourth Proportional to 1,940,321.78, 2,658,253.66 and 1,867,596.14
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Solution
The fourth proportional to 1,940,321.78, 2,658,253.66 and 1,867,596.14 is: 2,558,619.05
Step by Step Solution
- Step 1: Write the proportion equation
1,940,321.78 : 2,658,253.66 = 1,867,596.14 : x - Step 2: Convert to fraction form
1,940,321.78/2,658,253.66 = 1,867,596.14/x - Step 3: Cross multiply
1,940,321.78x = 2,658,253.66 × 1,867,596.14 - Step 4: Simplify right side
1,940,321.78x = 4,964,544,274,556.87 - Step 5: Solve for x
x = 4,964,544,274,556.87/1,940,321.78 - Step 6: Final answer
x = 2,558,619.05
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.