Finding the Fourth Proportional to 3,192,369.10, 4,405,563 and 1,742,158.18
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Solution
The fourth proportional to 3,192,369.10, 4,405,563 and 1,742,158.18 is: 2,404,229.39
Step by Step Solution
- Step 1: Write the proportion equation
3,192,369.10 : 4,405,563 = 1,742,158.18 : x - Step 2: Convert to fraction form
3,192,369.10/4,405,563 = 1,742,158.18/x - Step 3: Cross multiply
3,192,369.10x = 4,405,563 × 1,742,158.18 - Step 4: Simplify right side
3,192,369.10x = 7,675,187,617,955.34 - Step 5: Solve for x
x = 7,675,187,617,955.34/3,192,369.10 - Step 6: Final answer
x = 2,404,229.39
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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.