Finding the Fourth Proportional to 1,933,799.70, 2,900,699.55 and 1,491,431.70
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Solution
The fourth proportional to 1,933,799.70, 2,900,699.55 and 1,491,431.70 is: 2,237,147.55
Step by Step Solution
- Step 1: Write the proportion equation
1,933,799.70 : 2,900,699.55 = 1,491,431.70 : x - Step 2: Convert to fraction form
1,933,799.70/2,900,699.55 = 1,491,431.70/x - Step 3: Cross multiply
1,933,799.70x = 2,900,699.55 × 1,491,431.70 - Step 4: Simplify right side
1,933,799.70x = 4,326,195,261,045.73 - Step 5: Solve for x
x = 4,326,195,261,045.73/1,933,799.70 - Step 6: Final answer
x = 2,237,147.55
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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.