Finding the Fourth Proportional to 4,282,491.12, 6,424,324.20 and 2,486,217.84
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Solution
The fourth proportional to 4,282,491.12, 6,424,324.20 and 2,486,217.84 is: 3,729,667.85
Step by Step Solution
- Step 1: Write the proportion equation
4,282,491.12 : 6,424,324.20 = 2,486,217.84 : x - Step 2: Convert to fraction form
4,282,491.12/6,424,324.20 = 2,486,217.84/x - Step 3: Cross multiply
4,282,491.12x = 6,424,324.20 × 2,486,217.84 - Step 4: Simplify right side
4,282,491.12x = 15,972,269,435,983.73 - Step 5: Solve for x
x = 15,972,269,435,983.73/4,282,491.12 - Step 6: Final answer
x = 3,729,667.85
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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.