Finding the Fourth Proportional to 5,102,027.46, 7,040,797.62 and 2,810,188.08
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Solution
The fourth proportional to 5,102,027.46, 7,040,797.62 and 2,810,188.08 is: 3,878,059.40
Step by Step Solution
- Step 1: Write the proportion equation
5,102,027.46 : 7,040,797.62 = 2,810,188.08 : x - Step 2: Convert to fraction form
5,102,027.46/7,040,797.62 = 2,810,188.08/x - Step 3: Cross multiply
5,102,027.46x = 7,040,797.62 × 2,810,188.08 - Step 4: Simplify right side
5,102,027.46x = 19,785,965,545,416.37 - Step 5: Solve for x
x = 19,785,965,545,416.37/5,102,027.46 - Step 6: Final answer
x = 3,878,059.40
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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.