Finding the Fourth Proportional to 3,832,438.96, 5,287,856.48 and 2,178,455.97
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Solution
The fourth proportional to 3,832,438.96, 5,287,856.48 and 2,178,455.97 is: 3,005,752.37
Step by Step Solution
- Step 1: Write the proportion equation
3,832,438.96 : 5,287,856.48 = 2,178,455.97 : x - Step 2: Convert to fraction form
3,832,438.96/5,287,856.48 = 2,178,455.97/x - Step 3: Cross multiply
3,832,438.96x = 5,287,856.48 × 2,178,455.97 - Step 4: Simplify right side
3,832,438.96x = 11,519,362,504,721.38 - Step 5: Solve for x
x = 11,519,362,504,721.38/3,832,438.96 - Step 6: Final answer
x = 3,005,752.37
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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.