Finding the Fourth Proportional to 4,519,940.97, 6,779,911.46 and 1,995,093.21
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Solution
The fourth proportional to 4,519,940.97, 6,779,911.46 and 1,995,093.21 is: 2,992,639.82
Step by Step Solution
- Step 1: Write the proportion equation
4,519,940.97 : 6,779,911.46 = 1,995,093.21 : x - Step 2: Convert to fraction form
4,519,940.97/6,779,911.46 = 1,995,093.21/x - Step 3: Cross multiply
4,519,940.97x = 6,779,911.46 × 1,995,093.21 - Step 4: Simplify right side
4,519,940.97x = 13,526,555,308,271.72 - Step 5: Solve for x
x = 13,526,555,308,271.72/4,519,940.97 - Step 6: Final answer
x = 2,992,639.82
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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.