Finding the Fourth Proportional to 1,869,107.54, 2,803,660.96 and 449,163.61
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Solution
The fourth proportional to 1,869,107.54, 2,803,660.96 and 449,163.61 is: 673,745.33
Step by Step Solution
- Step 1: Write the proportion equation
1,869,107.54 : 2,803,660.96 = 449,163.61 : x - Step 2: Convert to fraction form
1,869,107.54/2,803,660.96 = 449,163.61/x - Step 3: Cross multiply
1,869,107.54x = 2,803,660.96 × 449,163.61 - Step 4: Simplify right side
1,869,107.54x = 1,259,302,478,009.67 - Step 5: Solve for x
x = 1,259,302,478,009.67/1,869,107.54 - Step 6: Final answer
x = 673,745.33
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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.