Finding the Fourth Proportional to 5,776,796.97, 7,972,228.71 and 3,198,477.60
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Solution
The fourth proportional to 5,776,796.97, 7,972,228.71 and 3,198,477.60 is: 4,414,036.89
Step by Step Solution
- Step 1: Write the proportion equation
5,776,796.97 : 7,972,228.71 = 3,198,477.60 : x - Step 2: Convert to fraction form
5,776,796.97/7,972,228.71 = 3,198,477.60/x - Step 3: Cross multiply
5,776,796.97x = 7,972,228.71 × 3,198,477.60 - Step 4: Simplify right side
5,776,796.97x = 25,498,994,951,011.90 - Step 5: Solve for x
x = 25,498,994,951,011.90/5,776,796.97 - Step 6: Final answer
x = 4,414,036.89
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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.