Finding the Fourth Proportional to 5,764,949.22, 7,955,631.69 and 3,151,464.75
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Solution
The fourth proportional to 5,764,949.22, 7,955,631.69 and 3,151,464.75 is: 4,349,022.32
Step by Step Solution
- Step 1: Write the proportion equation
5,764,949.22 : 7,955,631.69 = 3,151,464.75 : x - Step 2: Convert to fraction form
5,764,949.22/7,955,631.69 = 3,151,464.75/x - Step 3: Cross multiply
5,764,949.22x = 7,955,631.69 × 3,151,464.75 - Step 4: Simplify right side
5,764,949.22x = 25,071,892,835,017.93 - Step 5: Solve for x
x = 25,071,892,835,017.93/5,764,949.22 - Step 6: Final answer
x = 4,349,022.32
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1.5x scale
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.