Finding the Fourth Proportional to 5,751,320.88, 7,936,768.08 and 3,173,022.48
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Solution
The fourth proportional to 5,751,320.88, 7,936,768.08 and 3,173,022.48 is: 4,378,740.83
Step by Step Solution
- Step 1: Write the proportion equation
5,751,320.88 : 7,936,768.08 = 3,173,022.48 : x - Step 2: Convert to fraction form
5,751,320.88/7,936,768.08 = 3,173,022.48/x - Step 3: Cross multiply
5,751,320.88x = 7,936,768.08 × 3,173,022.48 - Step 4: Simplify right side
5,751,320.88x = 25,183,543,536,386.44 - Step 5: Solve for x
x = 25,183,543,536,386.44/5,751,320.88 - Step 6: Final answer
x = 4,378,740.83
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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.