Finding the Fourth Proportional to 1,903,201.11, 2,855,917.04 and 765,786.15
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Solution
The fourth proportional to 1,903,201.11, 2,855,917.04 and 765,786.15 is: 1,149,128.01
Step by Step Solution
- Step 1: Write the proportion equation
1,903,201.11 : 2,855,917.04 = 765,786.15 : x - Step 2: Convert to fraction form
1,903,201.11/2,855,917.04 = 765,786.15/x - Step 3: Cross multiply
1,903,201.11x = 2,855,917.04 × 765,786.15 - Step 4: Simplify right side
1,903,201.11x = 2,187,021,710,952.07 - Step 5: Solve for x
x = 2,187,021,710,952.07/1,903,201.11 - Step 6: Final answer
x = 1,149,128.01
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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.