Finding the Fourth Proportional to 2,393,664.11, 3,303,240.36 and 1,361,172.30
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Solution
The fourth proportional to 2,393,664.11, 3,303,240.36 and 1,361,172.30 is: 1,878,408.62
Step by Step Solution
- Step 1: Write the proportion equation
2,393,664.11 : 3,303,240.36 = 1,361,172.30 : x - Step 2: Convert to fraction form
2,393,664.11/3,303,240.36 = 1,361,172.30/x - Step 3: Cross multiply
2,393,664.11x = 3,303,240.36 × 1,361,172.30 - Step 4: Simplify right side
2,393,664.11x = 4,496,279,278,274.03 - Step 5: Solve for x
x = 4,496,279,278,274.03/2,393,664.11 - Step 6: Final answer
x = 1,878,408.62
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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.