Finding the Fourth Proportional to 3,888,840.63, 5,365,798.88 and 2,234,668.25
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Solution
The fourth proportional to 3,888,840.63, 5,365,798.88 and 2,234,668.25 is: 3,083,381.79
Step by Step Solution
- Step 1: Write the proportion equation
3,888,840.63 : 5,365,798.88 = 2,234,668.25 : x - Step 2: Convert to fraction form
3,888,840.63/5,365,798.88 = 2,234,668.25/x - Step 3: Cross multiply
3,888,840.63x = 5,365,798.88 × 2,234,668.25 - Step 4: Simplify right side
3,888,840.63x = 11,990,780,377,650.11 - Step 5: Solve for x
x = 11,990,780,377,650.11/3,888,840.63 - Step 6: Final answer
x = 3,083,381.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.