Finding the Fourth Proportional to 5,135,733.92, 7,087,317.33 and 2,843,845.40
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Solution
The fourth proportional to 5,135,733.92, 7,087,317.33 and 2,843,845.40 is: 3,924,509.15
Step by Step Solution
- Step 1: Write the proportion equation
5,135,733.92 : 7,087,317.33 = 2,843,845.40 : x - Step 2: Convert to fraction form
5,135,733.92/7,087,317.33 = 2,843,845.40/x - Step 3: Cross multiply
5,135,733.92x = 7,087,317.33 × 2,843,845.40 - Step 4: Simplify right side
5,135,733.92x = 20,155,234,737,604.97 - Step 5: Solve for x
x = 20,155,234,737,604.97/5,135,733.92 - Step 6: Final answer
x = 3,924,509.15
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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.