Finding the Fourth Proportional to 4,701,935.76, 6,489,380.59 and 2,867,458.20
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Solution
The fourth proportional to 4,701,935.76, 6,489,380.59 and 2,867,458.20 is: 3,957,524.85
Step by Step Solution
- Step 1: Write the proportion equation
4,701,935.76 : 6,489,380.59 = 2,867,458.20 : x - Step 2: Convert to fraction form
4,701,935.76/6,489,380.59 = 2,867,458.20/x - Step 3: Cross multiply
4,701,935.76x = 6,489,380.59 × 2,867,458.20 - Step 4: Simplify right side
4,701,935.76x = 18,608,027,606,844.73 - Step 5: Solve for x
x = 18,608,027,606,844.73/4,701,935.76 - Step 6: Final answer
x = 3,957,524.85
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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.