Finding the Fourth Proportional to 1,474,837.20, 2,212,257.24 and 409,879.44
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Solution
The fourth proportional to 1,474,837.20, 2,212,257.24 and 409,879.44 is: 614,819.56
Step by Step Solution
- Step 1: Write the proportion equation
1,474,837.20 : 2,212,257.24 = 409,879.44 : x - Step 2: Convert to fraction form
1,474,837.20/2,212,257.24 = 409,879.44/x - Step 3: Cross multiply
1,474,837.20x = 2,212,257.24 × 409,879.44 - Step 4: Simplify right side
1,474,837.20x = 906,758,758,667.15 - Step 5: Solve for x
x = 906,758,758,667.15/1,474,837.20 - Step 6: Final answer
x = 614,819.56
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1.5x scale
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.