Finding the Fourth Proportional to 5,475,658.05, 8,212,859.55 and 1,432,536.03
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Solution
The fourth proportional to 5,475,658.05, 8,212,859.55 and 1,432,536.03 is: 2,148,639.87
Step by Step Solution
- Step 1: Write the proportion equation
5,475,658.05 : 8,212,859.55 = 1,432,536.03 : x - Step 2: Convert to fraction form
5,475,658.05/8,212,859.55 = 1,432,536.03/x - Step 3: Cross multiply
5,475,658.05x = 8,212,859.55 × 1,432,536.03 - Step 4: Simplify right side
5,475,658.05x = 11,765,217,214,704.59 - Step 5: Solve for x
x = 11,765,217,214,704.59/5,475,658.05 - Step 6: Final answer
x = 2,148,639.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.