Finding the Fourth Proportional to 3,192,636.73, 4,405,932.09 and 1,742,425.18
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Solution
The fourth proportional to 3,192,636.73, 4,405,932.09 and 1,742,425.18 is: 2,404,597.72
Step by Step Solution
- Step 1: Write the proportion equation
3,192,636.73 : 4,405,932.09 = 1,742,425.18 : x - Step 2: Convert to fraction form
3,192,636.73/4,405,932.09 = 1,742,425.18/x - Step 3: Cross multiply
3,192,636.73x = 4,405,932.09 × 1,742,425.18 - Step 4: Simplify right side
3,192,636.73x = 7,677,007,014,986.03 - Step 5: Solve for x
x = 7,677,007,014,986.03/3,192,636.73 - Step 6: Final answer
x = 2,404,597.72
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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.