Finding the Fourth Proportional to 5,021,786.80, 6,930,036.84 and 2,846,740.24
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Solution
The fourth proportional to 5,021,786.80, 6,930,036.84 and 2,846,740.24 is: 3,928,485.12
Step by Step Solution
- Step 1: Write the proportion equation
5,021,786.80 : 6,930,036.84 = 2,846,740.24 : x - Step 2: Convert to fraction form
5,021,786.80/6,930,036.84 = 2,846,740.24/x - Step 3: Cross multiply
5,021,786.80x = 6,930,036.84 × 2,846,740.24 - Step 4: Simplify right side
5,021,786.80x = 19,728,014,737,110.44 - Step 5: Solve for x
x = 19,728,014,737,110.44/5,021,786.80 - Step 6: Final answer
x = 3,928,485.12
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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.