Finding the Fourth Proportional to 3,192,639.50, 4,405,935.87 and 1,742,427.92
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Solution
The fourth proportional to 3,192,639.50, 4,405,935.87 and 1,742,427.92 is: 2,404,601.48
Step by Step Solution
- Step 1: Write the proportion equation
3,192,639.50 : 4,405,935.87 = 1,742,427.92 : x - Step 2: Convert to fraction form
3,192,639.50/4,405,935.87 = 1,742,427.92/x - Step 3: Cross multiply
3,192,639.50x = 4,405,935.87 × 1,742,427.92 - Step 4: Simplify right side
3,192,639.50x = 7,677,025,684,632.33 - Step 5: Solve for x
x = 7,677,025,684,632.33/3,192,639.50 - Step 6: Final answer
x = 2,404,601.48
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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.