Finding the Fourth Proportional to 2,135,515.98, 2,946,556.32 and 1,264,624.23
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Solution
The fourth proportional to 2,135,515.98, 2,946,556.32 and 1,264,624.23 is: 1,744,911.56
Step by Step Solution
- Step 1: Write the proportion equation
2,135,515.98 : 2,946,556.32 = 1,264,624.23 : x - Step 2: Convert to fraction form
2,135,515.98/2,946,556.32 = 1,264,624.23/x - Step 3: Cross multiply
2,135,515.98x = 2,946,556.32 × 1,264,624.23 - Step 4: Simplify right side
2,135,515.98x = 3,726,286,517,331.63 - Step 5: Solve for x
x = 3,726,286,517,331.63/2,135,515.98 - Step 6: Final answer
x = 1,744,911.56
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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.