Finding the Fourth Proportional to 5,115,576.47, 7,059,494.45 and 2,823,736.55
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Solution
The fourth proportional to 5,115,576.47, 7,059,494.45 and 2,823,736.55 is: 3,896,755.84
Step by Step Solution
- Step 1: Write the proportion equation
5,115,576.47 : 7,059,494.45 = 2,823,736.55 : x - Step 2: Convert to fraction form
5,115,576.47/7,059,494.45 = 2,823,736.55/x - Step 3: Cross multiply
5,115,576.47x = 7,059,494.45 × 2,823,736.55 - Step 4: Simplify right side
5,115,576.47x = 19,934,152,474,749.02 - Step 5: Solve for x
x = 19,934,152,474,749.02/5,115,576.47 - Step 6: Final answer
x = 3,896,755.84
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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.