Finding the Fourth Proportional to 4,378,441.68, 6,555,852 and 2,858,359.68
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Solution
The fourth proportional to 4,378,441.68, 6,555,852 and 2,858,359.68 is: 4,279,829.31
Step by Step Solution
- Step 1: Write the proportion equation
4,378,441.68 : 6,555,852 = 2,858,359.68 : x - Step 2: Convert to fraction form
4,378,441.68/6,555,852 = 2,858,359.68/x - Step 3: Cross multiply
4,378,441.68x = 6,555,852 × 2,858,359.68 - Step 4: Simplify right side
4,378,441.68x = 18,738,983,024,847.36 - Step 5: Solve for x
x = 18,738,983,024,847.36/4,378,441.68 - Step 6: Final answer
x = 4,279,829.31
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1.5x scale
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.