Finding the Fourth Proportional to 4,025,523, 5,555,221.74 and 2,214,648.12
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Solution
The fourth proportional to 4,025,523, 5,555,221.74 and 2,214,648.12 is: 3,056,214.41
Step by Step Solution
- Step 1: Write the proportion equation
4,025,523 : 5,555,221.74 = 2,214,648.12 : x - Step 2: Convert to fraction form
4,025,523/5,555,221.74 = 2,214,648.12/x - Step 3: Cross multiply
4,025,523x = 5,555,221.74 × 2,214,648.12 - Step 4: Simplify right side
4,025,523x = 12,302,861,382,674.13 - Step 5: Solve for x
x = 12,302,861,382,674.13/4,025,523 - Step 6: Final answer
x = 3,056,214.41
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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.