Finding the Fourth Proportional to 4,070,709.81, 5,617,579.56 and 2,235,168.09
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Solution
The fourth proportional to 4,070,709.81, 5,617,579.56 and 2,235,168.09 is: 3,084,531.98
Step by Step Solution
- Step 1: Write the proportion equation
4,070,709.81 : 5,617,579.56 = 2,235,168.09 : x - Step 2: Convert to fraction form
4,070,709.81/5,617,579.56 = 2,235,168.09/x - Step 3: Cross multiply
4,070,709.81x = 5,617,579.56 × 2,235,168.09 - Step 4: Simplify right side
4,070,709.81x = 12,556,234,575,548.24 - Step 5: Solve for x
x = 12,556,234,575,548.24/4,070,709.81 - Step 6: Final answer
x = 3,084,531.98
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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.