Finding the Fourth Proportional to 2,431,194.21, 3,355,250.04 and 1,343,678.09
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Solution
The fourth proportional to 2,431,194.21, 3,355,250.04 and 1,343,678.09 is: 1,854,387.42
Step by Step Solution
- Step 1: Write the proportion equation
2,431,194.21 : 3,355,250.04 = 1,343,678.09 : x - Step 2: Convert to fraction form
2,431,194.21/3,355,250.04 = 1,343,678.09/x - Step 3: Cross multiply
2,431,194.21x = 3,355,250.04 × 1,343,678.09 - Step 4: Simplify right side
2,431,194.21x = 4,508,375,948,443.37 - Step 5: Solve for x
x = 4,508,375,948,443.37/2,431,194.21 - Step 6: Final answer
x = 1,854,387.42
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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.