Finding the Fourth Proportional to 2,135,339.22, 2,946,768.09 and 1,168,469.48
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Solution
The fourth proportional to 2,135,339.22, 2,946,768.09 and 1,168,469.48 is: 1,612,487.86
Step by Step Solution
- Step 1: Write the proportion equation
2,135,339.22 : 2,946,768.09 = 1,168,469.48 : x - Step 2: Convert to fraction form
2,135,339.22/2,946,768.09 = 1,168,469.48/x - Step 3: Cross multiply
2,135,339.22x = 2,946,768.09 × 1,168,469.48 - Step 4: Simplify right side
2,135,339.22x = 3,443,208,580,788.05 - Step 5: Solve for x
x = 3,443,208,580,788.05/2,135,339.22 - Step 6: Final answer
x = 1,612,487.86
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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.