Finding the Fourth Proportional to 4,220,139.36, 5,823,795.60 and 2,477,467.68
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Solution
The fourth proportional to 4,220,139.36, 5,823,795.60 and 2,477,467.68 is: 3,418,907.33
Step by Step Solution
- Step 1: Write the proportion equation
4,220,139.36 : 5,823,795.60 = 2,477,467.68 : x - Step 2: Convert to fraction form
4,220,139.36/5,823,795.60 = 2,477,467.68/x - Step 3: Cross multiply
4,220,139.36x = 5,823,795.60 × 2,477,467.68 - Step 4: Simplify right side
4,220,139.36x = 14,428,265,373,926.21 - Step 5: Solve for x
x = 14,428,265,373,926.21/4,220,139.36 - Step 6: Final answer
x = 3,418,907.33
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1.5x scale
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.