Finding the Fourth Proportional to 5,433,212.08, 8,149,734.21 and 1,389,664.12
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Solution
The fourth proportional to 5,433,212.08, 8,149,734.21 and 1,389,664.12 is: 2,084,474.72
Step by Step Solution
- Step 1: Write the proportion equation
5,433,212.08 : 8,149,734.21 = 1,389,664.12 : x - Step 2: Convert to fraction form
5,433,212.08/8,149,734.21 = 1,389,664.12/x - Step 3: Cross multiply
5,433,212.08x = 8,149,734.21 × 1,389,664.12 - Step 4: Simplify right side
5,433,212.08x = 11,325,393,219,173.55 - Step 5: Solve for x
x = 11,325,393,219,173.55/5,433,212.08 - Step 6: Final answer
x = 2,084,474.72
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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.