Finding the Fourth Proportional to 3,289,228.79, 4,926,179.11 and 3,198,424.55
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Solution
The fourth proportional to 3,289,228.79, 4,926,179.11 and 3,198,424.55 is: 4,790,184.33
Step by Step Solution
- Step 1: Write the proportion equation
3,289,228.79 : 4,926,179.11 = 3,198,424.55 : x - Step 2: Convert to fraction form
3,289,228.79/4,926,179.11 = 3,198,424.55/x - Step 3: Cross multiply
3,289,228.79x = 4,926,179.11 × 3,198,424.55 - Step 4: Simplify right side
3,289,228.79x = 15,756,012,203,839.31 - Step 5: Solve for x
x = 15,756,012,203,839.31/3,289,228.79 - Step 6: Final answer
x = 4,790,184.33
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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.