Finding the Fourth Proportional to 4,988,458.08, 6,879,481.20 and 3,268,954.08
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Solution
The fourth proportional to 4,988,458.08, 6,879,481.20 and 3,268,954.08 is: 4,508,148.16
Step by Step Solution
- Step 1: Write the proportion equation
4,988,458.08 : 6,879,481.20 = 3,268,954.08 : x - Step 2: Convert to fraction form
4,988,458.08/6,879,481.20 = 3,268,954.08/x - Step 3: Cross multiply
4,988,458.08x = 6,879,481.20 × 3,268,954.08 - Step 4: Simplify right side
4,988,458.08x = 22,488,708,137,023.30 - Step 5: Solve for x
x = 22,488,708,137,023.30/4,988,458.08 - Step 6: Final answer
x = 4,508,148.16
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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.