Finding the Fourth Proportional to 2,685,885.12, 4,028,828.10 and 888,286.08
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Solution
The fourth proportional to 2,685,885.12, 4,028,828.10 and 888,286.08 is: 1,332,429.26
Step by Step Solution
- Step 1: Write the proportion equation
2,685,885.12 : 4,028,828.10 = 888,286.08 : x - Step 2: Convert to fraction form
2,685,885.12/4,028,828.10 = 888,286.08/x - Step 3: Cross multiply
2,685,885.12x = 4,028,828.10 × 888,286.08 - Step 4: Simplify right side
2,685,885.12x = 3,578,751,919,942.85 - Step 5: Solve for x
x = 3,578,751,919,942.85/2,685,885.12 - Step 6: Final answer
x = 1,332,429.26
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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.