Finding the Fourth Proportional to 5,776,794.39, 7,972,225.36 and 3,198,475.16
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Solution
The fourth proportional to 5,776,794.39, 7,972,225.36 and 3,198,475.16 is: 4,414,033.63
Step by Step Solution
- Step 1: Write the proportion equation
5,776,794.39 : 7,972,225.36 = 3,198,475.16 : x - Step 2: Convert to fraction form
5,776,794.39/7,972,225.36 = 3,198,475.16/x - Step 3: Cross multiply
5,776,794.39x = 7,972,225.36 × 3,198,475.16 - Step 4: Simplify right side
5,776,794.39x = 25,498,964,736,024.74 - Step 5: Solve for x
x = 25,498,964,736,024.74/5,776,794.39 - Step 6: Final answer
x = 4,414,033.63
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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.