Finding the Fourth Proportional to 4,808,520.80, 7,211,120.68 and 1,395,882.24
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Solution
The fourth proportional to 4,808,520.80, 7,211,120.68 and 1,395,882.24 is: 2,093,341.32
Step by Step Solution
- Step 1: Write the proportion equation
4,808,520.80 : 7,211,120.68 = 1,395,882.24 : x - Step 2: Convert to fraction form
4,808,520.80/7,211,120.68 = 1,395,882.24/x - Step 3: Cross multiply
4,808,520.80x = 7,211,120.68 × 1,395,882.24 - Step 4: Simplify right side
4,808,520.80x = 10,065,875,287,708.72 - Step 5: Solve for x
x = 10,065,875,287,708.72/4,808,520.80 - Step 6: Final answer
x = 2,093,341.32
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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.