Finding the Fourth Proportional to 4,644,431.43, 6,408,940.36 and 2,684,436.46
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Solution
The fourth proportional to 4,644,431.43, 6,408,940.36 and 2,684,436.46 is: 3,704,305.56
Step by Step Solution
- Step 1: Write the proportion equation
4,644,431.43 : 6,408,940.36 = 2,684,436.46 : x - Step 2: Convert to fraction form
4,644,431.43/6,408,940.36 = 2,684,436.46/x - Step 3: Cross multiply
4,644,431.43x = 6,408,940.36 × 2,684,436.46 - Step 4: Simplify right side
4,644,431.43x = 17,204,393,172,349.53 - Step 5: Solve for x
x = 17,204,393,172,349.53/4,644,431.43 - Step 6: Final answer
x = 3,704,305.56
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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.