Finding the Fourth Proportional to 3,138,165.41, 4,330,321.79 and 1,761,193.31
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Solution
The fourth proportional to 3,138,165.41, 4,330,321.79 and 1,761,193.31 is: 2,430,252.31
Step by Step Solution
- Step 1: Write the proportion equation
3,138,165.41 : 4,330,321.79 = 1,761,193.31 : x - Step 2: Convert to fraction form
3,138,165.41/4,330,321.79 = 1,761,193.31/x - Step 3: Cross multiply
3,138,165.41x = 4,330,321.79 × 1,761,193.31 - Step 4: Simplify right side
3,138,165.41x = 7,626,533,736,237.65 - Step 5: Solve for x
x = 7,626,533,736,237.65/3,138,165.41 - Step 6: Final answer
x = 2,430,252.31
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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.