Finding the Fourth Proportional to 3,834,745.19, 5,292,059.09 and 2,115,976.42
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Solution
The fourth proportional to 3,834,745.19, 5,292,059.09 and 2,115,976.42 is: 2,920,108.56
Step by Step Solution
- Step 1: Write the proportion equation
3,834,745.19 : 5,292,059.09 = 2,115,976.42 : x - Step 2: Convert to fraction form
3,834,745.19/5,292,059.09 = 2,115,976.42/x - Step 3: Cross multiply
3,834,745.19x = 5,292,059.09 × 2,115,976.42 - Step 4: Simplify right side
3,834,745.19x = 11,197,872,247,686.66 - Step 5: Solve for x
x = 11,197,872,247,686.66/3,834,745.19 - Step 6: Final answer
x = 2,920,108.56
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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.