Finding the Fourth Proportional to 1,491,883.74, 2,237,841.21 and 1,194,256.26
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Solution
The fourth proportional to 1,491,883.74, 2,237,841.21 and 1,194,256.26 is: 1,791,396.88
Step by Step Solution
- Step 1: Write the proportion equation
1,491,883.74 : 2,237,841.21 = 1,194,256.26 : x - Step 2: Convert to fraction form
1,491,883.74/2,237,841.21 = 1,194,256.26/x - Step 3: Cross multiply
1,491,883.74x = 2,237,841.21 × 1,194,256.26 - Step 4: Simplify right side
1,491,883.74x = 2,672,555,873,928.47 - Step 5: Solve for x
x = 2,672,555,873,928.47/1,491,883.74 - Step 6: Final answer
x = 1,791,396.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.