Finding the Fourth Proportional to 2,399,302.08, 3,311,043.42 and 1,311,586.68
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Solution
The fourth proportional to 2,399,302.08, 3,311,043.42 and 1,311,586.68 is: 1,809,993.20
Step by Step Solution
- Step 1: Write the proportion equation
2,399,302.08 : 3,311,043.42 = 1,311,586.68 : x - Step 2: Convert to fraction form
2,399,302.08/3,311,043.42 = 1,311,586.68/x - Step 3: Cross multiply
2,399,302.08x = 3,311,043.42 × 1,311,586.68 - Step 4: Simplify right side
2,399,302.08x = 4,342,720,446,573.65 - Step 5: Solve for x
x = 4,342,720,446,573.65/2,399,302.08 - Step 6: Final answer
x = 1,809,993.20
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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.