Finding the Fourth Proportional to 3,705,857.36, 5,559,744.42 and 2,170,149.73
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Solution
The fourth proportional to 3,705,857.36, 5,559,744.42 and 2,170,149.73 is: 3,255,785.82
Step by Step Solution
- Step 1: Write the proportion equation
3,705,857.36 : 5,559,744.42 = 2,170,149.73 : x - Step 2: Convert to fraction form
3,705,857.36/5,559,744.42 = 2,170,149.73/x - Step 3: Cross multiply
3,705,857.36x = 5,559,744.42 × 2,170,149.73 - Step 4: Simplify right side
3,705,857.36x = 12,065,477,851,932.01 - Step 5: Solve for x
x = 12,065,477,851,932.01/3,705,857.36 - Step 6: Final answer
x = 3,255,785.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.