Finding the Fourth Proportional to 2,682,138.97, 3,700,445.94 and 1,520,460.66
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Solution
The fourth proportional to 2,682,138.97, 3,700,445.94 and 1,520,460.66 is: 2,097,722.21
Step by Step Solution
- Step 1: Write the proportion equation
2,682,138.97 : 3,700,445.94 = 1,520,460.66 : x - Step 2: Convert to fraction form
2,682,138.97/3,700,445.94 = 1,520,460.66/x - Step 3: Cross multiply
2,682,138.97x = 3,700,445.94 × 1,520,460.66 - Step 4: Simplify right side
2,682,138.97x = 5,626,382,476,226.72 - Step 5: Solve for x
x = 5,626,382,476,226.72/2,682,138.97 - Step 6: Final answer
x = 2,097,722.21
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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.