Finding the Fourth Proportional to 3,621,762.12, 4,993,037.53 and 2,889,202.75
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Solution
The fourth proportional to 3,621,762.12, 4,993,037.53 and 2,889,202.75 is: 3,983,115.76
Step by Step Solution
- Step 1: Write the proportion equation
3,621,762.12 : 4,993,037.53 = 2,889,202.75 : x - Step 2: Convert to fraction form
3,621,762.12/4,993,037.53 = 2,889,202.75/x - Step 3: Cross multiply
3,621,762.12x = 4,993,037.53 × 2,889,202.75 - Step 4: Simplify right side
3,621,762.12x = 14,425,897,762,529.21 - Step 5: Solve for x
x = 14,425,897,762,529.21/3,621,762.12 - Step 6: Final answer
x = 3,983,115.76
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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.