Finding the Fourth Proportional to 4,079,385.08, 5,629,657.56 and 2,243,890.64
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Solution
The fourth proportional to 4,079,385.08, 5,629,657.56 and 2,243,890.64 is: 3,096,627.47
Step by Step Solution
- Step 1: Write the proportion equation
4,079,385.08 : 5,629,657.56 = 2,243,890.64 : x - Step 2: Convert to fraction form
4,079,385.08/5,629,657.56 = 2,243,890.64/x - Step 3: Cross multiply
4,079,385.08x = 5,629,657.56 × 2,243,890.64 - Step 4: Simplify right side
4,079,385.08x = 12,632,335,905,289.24 - Step 5: Solve for x
x = 12,632,335,905,289.24/4,079,385.08 - Step 6: Final answer
x = 3,096,627.47
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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.