Finding the Fourth Proportional to 4,421,412.30, 6,632,838.34 and 1,305,778.90
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Solution
The fourth proportional to 4,421,412.30, 6,632,838.34 and 1,305,778.90 is: 1,958,880.96
Step by Step Solution
- Step 1: Write the proportion equation
4,421,412.30 : 6,632,838.34 = 1,305,778.90 : x - Step 2: Convert to fraction form
4,421,412.30/6,632,838.34 = 1,305,778.90/x - Step 3: Cross multiply
4,421,412.30x = 6,632,838.34 × 1,305,778.90 - Step 4: Simplify right side
4,421,412.30x = 8,661,020,351,483.03 - Step 5: Solve for x
x = 8,661,020,351,483.03/4,421,412.30 - Step 6: Final answer
x = 1,958,880.96
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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.