Finding the Fourth Proportional to 1,682,429.44, 2,321,885.12 and 957,307.68
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Solution
The fourth proportional to 1,682,429.44, 2,321,885.12 and 957,307.68 is: 1,321,159.99
Step by Step Solution
- Step 1: Write the proportion equation
1,682,429.44 : 2,321,885.12 = 957,307.68 : x - Step 2: Convert to fraction form
1,682,429.44/2,321,885.12 = 957,307.68/x - Step 3: Cross multiply
1,682,429.44x = 2,321,885.12 × 957,307.68 - Step 4: Simplify right side
1,682,429.44x = 2,222,758,457,453.72 - Step 5: Solve for x
x = 2,222,758,457,453.72/1,682,429.44 - Step 6: Final answer
x = 1,321,159.99
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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.