Finding the Fourth Proportional to 2,135,440.26, 2,946,907.92 and 1,168,570.80
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Solution
The fourth proportional to 2,135,440.26, 2,946,907.92 and 1,168,570.80 is: 1,612,627.90
Step by Step Solution
- Step 1: Write the proportion equation
2,135,440.26 : 2,946,907.92 = 1,168,570.80 : x - Step 2: Convert to fraction form
2,135,440.26/2,946,907.92 = 1,168,570.80/x - Step 3: Cross multiply
2,135,440.26x = 2,946,907.92 × 1,168,570.80 - Step 4: Simplify right side
2,135,440.26x = 3,443,670,545,600.74 - Step 5: Solve for x
x = 3,443,670,545,600.74/2,135,440.26 - Step 6: Final answer
x = 1,612,627.90
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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.