Finding the Fourth Proportional to 3,882,645.36, 5,358,068.58 and 2,252,018.16
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Solution
The fourth proportional to 3,882,645.36, 5,358,068.58 and 2,252,018.16 is: 3,107,795.49
Step by Step Solution
- Step 1: Write the proportion equation
3,882,645.36 : 5,358,068.58 = 2,252,018.16 : x - Step 2: Convert to fraction form
3,882,645.36/5,358,068.58 = 2,252,018.16/x - Step 3: Cross multiply
3,882,645.36x = 5,358,068.58 × 2,252,018.16 - Step 4: Simplify right side
3,882,645.36x = 12,066,467,744,685.41 - Step 5: Solve for x
x = 12,066,467,744,685.41/3,882,645.36 - Step 6: Final answer
x = 3,107,795.49
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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.