Finding the Fourth Proportional to 6,421,584.16, 9,633,796.08 and 2,161,612
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Solution
The fourth proportional to 6,421,584.16, 9,633,796.08 and 2,161,612 is: 3,242,895.94
Step by Step Solution
- Step 1: Write the proportion equation
6,421,584.16 : 9,633,796.08 = 2,161,612 : x - Step 2: Convert to fraction form
6,421,584.16/9,633,796.08 = 2,161,612/x - Step 3: Cross multiply
6,421,584.16x = 9,633,796.08 × 2,161,612 - Step 4: Simplify right side
6,421,584.16x = 20,824,529,212,080.96 - Step 5: Solve for x
x = 20,824,529,212,080.96/6,421,584.16 - Step 6: Final answer
x = 3,242,895.94
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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.