Finding the Fourth Proportional to 2,431,190.74, 3,355,245.24 and 1,343,674.60
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Solution
The fourth proportional to 2,431,190.74, 3,355,245.24 and 1,343,674.60 is: 1,854,382.60
Step by Step Solution
- Step 1: Write the proportion equation
2,431,190.74 : 3,355,245.24 = 1,343,674.60 : x - Step 2: Convert to fraction form
2,431,190.74/3,355,245.24 = 1,343,674.60/x - Step 3: Cross multiply
2,431,190.74x = 3,355,245.24 × 1,343,674.60 - Step 4: Simplify right side
2,431,190.74x = 4,508,357,805,758.90 - Step 5: Solve for x
x = 4,508,357,805,758.90/2,431,190.74 - Step 6: Final answer
x = 1,854,382.60
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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.