Finding the Fourth Proportional to 2,379,204.38, 3,283,279.62 and 1,291,452.68
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Solution
The fourth proportional to 2,379,204.38, 3,283,279.62 and 1,291,452.68 is: 1,782,192.52
Step by Step Solution
- Step 1: Write the proportion equation
2,379,204.38 : 3,283,279.62 = 1,291,452.68 : x - Step 2: Convert to fraction form
2,379,204.38/3,283,279.62 = 1,291,452.68/x - Step 3: Cross multiply
2,379,204.38x = 3,283,279.62 × 1,291,452.68 - Step 4: Simplify right side
2,379,204.38x = 4,240,200,248,021.98 - Step 5: Solve for x
x = 4,240,200,248,021.98/2,379,204.38 - Step 6: Final answer
x = 1,782,192.52
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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.