Finding the Fourth Proportional to 2,119,763.39, 3,165,286.84 and 1,682,575.96
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Solution
The fourth proportional to 2,119,763.39, 3,165,286.84 and 1,682,575.96 is: 2,512,466.99
Step by Step Solution
- Step 1: Write the proportion equation
2,119,763.39 : 3,165,286.84 = 1,682,575.96 : x - Step 2: Convert to fraction form
2,119,763.39/3,165,286.84 = 1,682,575.96/x - Step 3: Cross multiply
2,119,763.39x = 3,165,286.84 × 1,682,575.96 - Step 4: Simplify right side
2,119,763.39x = 5,325,835,543,488.37 - Step 5: Solve for x
x = 5,325,835,543,488.37/2,119,763.39 - Step 6: Final answer
x = 2,512,466.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.