Finding the Fourth Proportional to 5,296,402.17, 7,286,099.91 and 4,640,072.55
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Solution
The fourth proportional to 5,296,402.17, 7,286,099.91 and 4,640,072.55 is: 6,383,207.15
Step by Step Solution
- Step 1: Write the proportion equation
5,296,402.17 : 7,286,099.91 = 4,640,072.55 : x - Step 2: Convert to fraction form
5,296,402.17/7,286,099.91 = 4,640,072.55/x - Step 3: Cross multiply
5,296,402.17x = 7,286,099.91 × 4,640,072.55 - Step 4: Simplify right side
5,296,402.17x = 33,808,032,188,948.47 - Step 5: Solve for x
x = 33,808,032,188,948.47/5,296,402.17 - Step 6: Final answer
x = 6,383,207.15
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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.