Finding the Fourth Proportional to 4,282,919.68, 6,415,814.04 and 2,576,120.50
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Solution
The fourth proportional to 4,282,919.68, 6,415,814.04 and 2,576,120.50 is: 3,859,028.73
Step by Step Solution
- Step 1: Write the proportion equation
4,282,919.68 : 6,415,814.04 = 2,576,120.50 : x - Step 2: Convert to fraction form
4,282,919.68/6,415,814.04 = 2,576,120.50/x - Step 3: Cross multiply
4,282,919.68x = 6,415,814.04 × 2,576,120.50 - Step 4: Simplify right side
4,282,919.68x = 16,527,910,072,631.82 - Step 5: Solve for x
x = 16,527,910,072,631.82/4,282,919.68 - Step 6: Final answer
x = 3,859,028.73
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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.