Finding the Fourth Proportional to 3,742,021.63, 5,163,604.44 and 2,762,481.73
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Solution
The fourth proportional to 3,742,021.63, 5,163,604.44 and 2,762,481.73 is: 3,811,940.27
Step by Step Solution
- Step 1: Write the proportion equation
3,742,021.63 : 5,163,604.44 = 2,762,481.73 : x - Step 2: Convert to fraction form
3,742,021.63/5,163,604.44 = 2,762,481.73/x - Step 3: Cross multiply
3,742,021.63x = 5,163,604.44 × 2,762,481.73 - Step 4: Simplify right side
3,742,021.63x = 14,264,362,926,446.88 - Step 5: Solve for x
x = 14,264,362,926,446.88/3,742,021.63 - Step 6: Final answer
x = 3,811,940.27
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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.