Finding the Fourth Proportional to 5,177,574.24, 7,760,261.44 and 2,334,357.60
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Solution
The fourth proportional to 5,177,574.24, 7,760,261.44 and 2,334,357.60 is: 3,498,786.19
Step by Step Solution
- Step 1: Write the proportion equation
5,177,574.24 : 7,760,261.44 = 2,334,357.60 : x - Step 2: Convert to fraction form
5,177,574.24/7,760,261.44 = 2,334,357.60/x - Step 3: Cross multiply
5,177,574.24x = 7,760,261.44 × 2,334,357.60 - Step 4: Simplify right side
5,177,574.24x = 18,115,225,270,450.95 - Step 5: Solve for x
x = 18,115,225,270,450.95/5,177,574.24 - Step 6: Final answer
x = 3,498,786.19
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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.