Finding the Fourth Proportional to 6,257,786.24, 8,635,811.84 and 3,843,338.24
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Solution
The fourth proportional to 6,257,786.24, 8,635,811.84 and 3,843,338.24 is: 5,303,847.82
Step by Step Solution
- Step 1: Write the proportion equation
6,257,786.24 : 8,635,811.84 = 3,843,338.24 : x - Step 2: Convert to fraction form
6,257,786.24/8,635,811.84 = 3,843,338.24/x - Step 3: Cross multiply
6,257,786.24x = 8,635,811.84 × 3,843,338.24 - Step 4: Simplify right side
6,257,786.24x = 33,190,345,878,116.76 - Step 5: Solve for x
x = 33,190,345,878,116.76/6,257,786.24 - Step 6: Final answer
x = 5,303,847.82
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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.