Finding the Fourth Proportional to 5,475,657.93, 8,212,859.35 and 1,432,535.91
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Solution
The fourth proportional to 5,475,657.93, 8,212,859.35 and 1,432,535.91 is: 2,148,639.69
Step by Step Solution
- Step 1: Write the proportion equation
5,475,657.93 : 8,212,859.35 = 1,432,535.91 : x - Step 2: Convert to fraction form
5,475,657.93/8,212,859.35 = 1,432,535.91/x - Step 3: Cross multiply
5,475,657.93x = 8,212,859.35 × 1,432,535.91 - Step 4: Simplify right side
5,475,657.93x = 11,765,215,942,654.26 - Step 5: Solve for x
x = 11,765,215,942,654.26/5,475,657.93 - Step 6: Final answer
x = 2,148,639.69
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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.