Finding the Fourth Proportional to 3,764,801.70, 5,195,412.27 and 2,133,519.90
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Solution
The fourth proportional to 3,764,801.70, 5,195,412.27 and 2,133,519.90 is: 2,944,249.49
Step by Step Solution
- Step 1: Write the proportion equation
3,764,801.70 : 5,195,412.27 = 2,133,519.90 : x - Step 2: Convert to fraction form
3,764,801.70/5,195,412.27 = 2,133,519.90/x - Step 3: Cross multiply
3,764,801.70x = 5,195,412.27 × 2,133,519.90 - Step 4: Simplify right side
3,764,801.70x = 11,084,515,466,749.17 - Step 5: Solve for x
x = 11,084,515,466,749.17/3,764,801.70 - Step 6: Final answer
x = 2,944,249.49
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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.