Finding the Fourth Proportional to 5,135,511.56, 7,086,919.14 and 2,843,622.92
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Solution
The fourth proportional to 5,135,511.56, 7,086,919.14 and 2,843,622.92 is: 3,924,151.56
Step by Step Solution
- Step 1: Write the proportion equation
5,135,511.56 : 7,086,919.14 = 2,843,622.92 : x - Step 2: Convert to fraction form
5,135,511.56/7,086,919.14 = 2,843,622.92/x - Step 3: Cross multiply
5,135,511.56x = 7,086,919.14 × 2,843,622.92 - Step 4: Simplify right side
5,135,511.56x = 20,152,525,698,690.69 - Step 5: Solve for x
x = 20,152,525,698,690.69/5,135,511.56 - Step 6: Final answer
x = 3,924,151.56
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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.