Finding the Fourth Proportional to 2,379,514.44, 3,283,738.74 and 1,291,788.12
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Solution
The fourth proportional to 2,379,514.44, 3,283,738.74 and 1,291,788.12 is: 1,782,672.39
Step by Step Solution
- Step 1: Write the proportion equation
2,379,514.44 : 3,283,738.74 = 1,291,788.12 : x - Step 2: Convert to fraction form
2,379,514.44/3,283,738.74 = 1,291,788.12/x - Step 3: Cross multiply
2,379,514.44x = 3,283,738.74 × 1,291,788.12 - Step 4: Simplify right side
2,379,514.44x = 4,241,894,693,515.77 - Step 5: Solve for x
x = 4,241,894,693,515.77/2,379,514.44 - Step 6: Final answer
x = 1,782,672.39
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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.