Finding the Fourth Proportional to 1,684,126.44, 2,324,067.12 and 920,163.60
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Solution
The fourth proportional to 1,684,126.44, 2,324,067.12 and 920,163.60 is: 1,269,810.82
Step by Step Solution
- Step 1: Write the proportion equation
1,684,126.44 : 2,324,067.12 = 920,163.60 : x - Step 2: Convert to fraction form
1,684,126.44/2,324,067.12 = 920,163.60/x - Step 3: Cross multiply
1,684,126.44x = 2,324,067.12 × 920,163.60 - Step 4: Simplify right side
1,684,126.44x = 2,138,521,967,780.83 - Step 5: Solve for x
x = 2,138,521,967,780.83/1,684,126.44 - Step 6: Final answer
x = 1,269,810.82
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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.