Finding the Fourth Proportional to 1,923,107.10, 2,885,644.81 and 786,709.09
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Solution
The fourth proportional to 1,923,107.10, 2,885,644.81 and 786,709.09 is: 1,180,466.24
Step by Step Solution
- Step 1: Write the proportion equation
1,923,107.10 : 2,885,644.81 = 786,709.09 : x - Step 2: Convert to fraction form
1,923,107.10/2,885,644.81 = 786,709.09/x - Step 3: Cross multiply
1,923,107.10x = 2,885,644.81 × 786,709.09 - Step 4: Simplify right side
1,923,107.10x = 2,270,163,007,128.77 - Step 5: Solve for x
x = 2,270,163,007,128.77/1,923,107.10 - Step 6: Final answer
x = 1,180,466.24
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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.