Finding the Fourth Proportional to 5,682,801.36, 7,842,381.48 and 3,104,649.12
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Solution
The fourth proportional to 5,682,801.36, 7,842,381.48 and 3,104,649.12 is: 4,284,478.94
Step by Step Solution
- Step 1: Write the proportion equation
5,682,801.36 : 7,842,381.48 = 3,104,649.12 : x - Step 2: Convert to fraction form
5,682,801.36/7,842,381.48 = 3,104,649.12/x - Step 3: Cross multiply
5,682,801.36x = 7,842,381.48 × 3,104,649.12 - Step 4: Simplify right side
5,682,801.36x = 24,347,842,760,586.30 - Step 5: Solve for x
x = 24,347,842,760,586.30/5,682,801.36 - Step 6: Final answer
x = 4,284,478.94
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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.