Finding the Fourth Proportional to 7,638,954.22, 10,541,956.28 and 4,201,285.46
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Solution
The fourth proportional to 7,638,954.22, 10,541,956.28 and 4,201,285.46 is: 5,797,883.63
Step by Step Solution
- Step 1: Write the proportion equation
7,638,954.22 : 10,541,956.28 = 4,201,285.46 : x - Step 2: Convert to fraction form
7,638,954.22/10,541,956.28 = 4,201,285.46/x - Step 3: Cross multiply
7,638,954.22x = 10,541,956.28 × 4,201,285.46 - Step 4: Simplify right side
7,638,954.22x = 44,289,767,644,468.16 - Step 5: Solve for x
x = 44,289,767,644,468.16/7,638,954.22 - Step 6: Final answer
x = 5,797,883.63
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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.