Finding the Fourth Proportional to 3,077,827.99, 4,247,419.29 and 1,682,391.52
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Solution
The fourth proportional to 3,077,827.99, 4,247,419.29 and 1,682,391.52 is: 2,321,709.41
Step by Step Solution
- Step 1: Write the proportion equation
3,077,827.99 : 4,247,419.29 = 1,682,391.52 : x - Step 2: Convert to fraction form
3,077,827.99/4,247,419.29 = 1,682,391.52/x - Step 3: Cross multiply
3,077,827.99x = 4,247,419.29 × 1,682,391.52 - Step 4: Simplify right side
3,077,827.99x = 7,145,822,194,380.73 - Step 5: Solve for x
x = 7,145,822,194,380.73/3,077,827.99 - Step 6: Final answer
x = 2,321,709.41
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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.