Finding the Fourth Proportional to 3,783,643.20, 5,675,464.80 and 2,366,467.20
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Solution
The fourth proportional to 3,783,643.20, 5,675,464.80 and 2,366,467.20 is: 3,549,700.80
Step by Step Solution
- Step 1: Write the proportion equation
3,783,643.20 : 5,675,464.80 = 2,366,467.20 : x - Step 2: Convert to fraction form
3,783,643.20/5,675,464.80 = 2,366,467.20/x - Step 3: Cross multiply
3,783,643.20x = 5,675,464.80 × 2,366,467.20 - Step 4: Simplify right side
3,783,643.20x = 13,430,801,293,954.56 - Step 5: Solve for x
x = 13,430,801,293,954.56/3,783,643.20 - Step 6: Final answer
x = 3,549,700.80
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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.