Finding the Fourth Proportional to 3,119,169.40, 4,670,880.90 and 2,048,414.20
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Solution
The fourth proportional to 3,119,169.40, 4,670,880.90 and 2,048,414.20 is: 3,067,450.83
Step by Step Solution
- Step 1: Write the proportion equation
3,119,169.40 : 4,670,880.90 = 2,048,414.20 : x - Step 2: Convert to fraction form
3,119,169.40/4,670,880.90 = 2,048,414.20/x - Step 3: Cross multiply
3,119,169.40x = 4,670,880.90 × 2,048,414.20 - Step 4: Simplify right side
3,119,169.40x = 9,567,898,762,068.78 - Step 5: Solve for x
x = 9,567,898,762,068.78/3,119,169.40 - Step 6: Final answer
x = 3,067,450.83
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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.