Finding the Fourth Proportional to 3,970,912.02, 5,479,752.18 and 2,251,995.63
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Solution
The fourth proportional to 3,970,912.02, 5,479,752.18 and 2,251,995.63 is: 3,107,693.62
Step by Step Solution
- Step 1: Write the proportion equation
3,970,912.02 : 5,479,752.18 = 2,251,995.63 : x - Step 2: Convert to fraction form
3,970,912.02/5,479,752.18 = 2,251,995.63/x - Step 3: Cross multiply
3,970,912.02x = 5,479,752.18 × 2,251,995.63 - Step 4: Simplify right side
3,970,912.02x = 12,340,377,962,842.97 - Step 5: Solve for x
x = 12,340,377,962,842.97/3,970,912.02 - Step 6: Final answer
x = 3,107,693.62
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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.