Finding the Fourth Proportional to 4,108,640.21, 5,670,028.79 and 2,477,152.18
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Solution
The fourth proportional to 4,108,640.21, 5,670,028.79 and 2,477,152.18 is: 3,418,533.50
Step by Step Solution
- Step 1: Write the proportion equation
4,108,640.21 : 5,670,028.79 = 2,477,152.18 : x - Step 2: Convert to fraction form
4,108,640.21/5,670,028.79 = 2,477,152.18/x - Step 3: Cross multiply
4,108,640.21x = 5,670,028.79 × 2,477,152.18 - Step 4: Simplify right side
4,108,640.21x = 14,045,524,177,811.26 - Step 5: Solve for x
x = 14,045,524,177,811.26/4,108,640.21 - Step 6: Final answer
x = 3,418,533.50
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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.