Finding the Fourth Proportional to 3,968,950.72, 5,953,318.56 and 1,129,257.92
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Solution
The fourth proportional to 3,968,950.72, 5,953,318.56 and 1,129,257.92 is: 1,693,856.29
Step by Step Solution
- Step 1: Write the proportion equation
3,968,950.72 : 5,953,318.56 = 1,129,257.92 : x - Step 2: Convert to fraction form
3,968,950.72/5,953,318.56 = 1,129,257.92/x - Step 3: Cross multiply
3,968,950.72x = 5,953,318.56 × 1,129,257.92 - Step 4: Simplify right side
3,968,950.72x = 6,722,832,134,162.99 - Step 5: Solve for x
x = 6,722,832,134,162.99/3,968,950.72 - Step 6: Final answer
x = 1,693,856.29
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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.