Finding the Fourth Proportional to 4,085,442.30, 6,128,163.45 and 2,491,119.30
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Solution
The fourth proportional to 4,085,442.30, 6,128,163.45 and 2,491,119.30 is: 3,736,678.95
Step by Step Solution
- Step 1: Write the proportion equation
4,085,442.30 : 6,128,163.45 = 2,491,119.30 : x - Step 2: Convert to fraction form
4,085,442.30/6,128,163.45 = 2,491,119.30/x - Step 3: Cross multiply
4,085,442.30x = 6,128,163.45 × 2,491,119.30 - Step 4: Simplify right side
4,085,442.30x = 15,265,986,243,849.58 - Step 5: Solve for x
x = 15,265,986,243,849.58/4,085,442.30 - Step 6: Final answer
x = 3,736,678.95
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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.