Finding the Fourth Proportional to 3,243,027.12, 4,867,906.58 and 1,879,464.96
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Solution
The fourth proportional to 3,243,027.12, 4,867,906.58 and 1,879,464.96 is: 2,821,148.11
Step by Step Solution
- Step 1: Write the proportion equation
3,243,027.12 : 4,867,906.58 = 1,879,464.96 : x - Step 2: Convert to fraction form
3,243,027.12/4,867,906.58 = 1,879,464.96/x - Step 3: Cross multiply
3,243,027.12x = 4,867,906.58 × 1,879,464.96 - Step 4: Simplify right side
3,243,027.12x = 9,149,059,845,663.44 - Step 5: Solve for x
x = 9,149,059,845,663.44/3,243,027.12 - Step 6: Final answer
x = 2,821,148.11
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.