Finding the Fourth Proportional to 3,874,113.26, 5,811,169.86 and 1,412,313.74
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Solution
The fourth proportional to 3,874,113.26, 5,811,169.86 and 1,412,313.74 is: 2,118,470.60
Step by Step Solution
- Step 1: Write the proportion equation
3,874,113.26 : 5,811,169.86 = 1,412,313.74 : x - Step 2: Convert to fraction form
3,874,113.26/5,811,169.86 = 1,412,313.74/x - Step 3: Cross multiply
3,874,113.26x = 5,811,169.86 × 1,412,313.74 - Step 4: Simplify right side
3,874,113.26x = 8,207,195,038,751.88 - Step 5: Solve for x
x = 8,207,195,038,751.88/3,874,113.26 - Step 6: Final answer
x = 2,118,470.60
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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.