Finding the Fourth Proportional to 3,179,098.97, 4,387,271.87 and 1,821,234.41
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Solution
The fourth proportional to 3,179,098.97, 4,387,271.87 and 1,821,234.41 is: 2,513,369.53
Step by Step Solution
- Step 1: Write the proportion equation
3,179,098.97 : 4,387,271.87 = 1,821,234.41 : x - Step 2: Convert to fraction form
3,179,098.97/4,387,271.87 = 1,821,234.41/x - Step 3: Cross multiply
3,179,098.97x = 4,387,271.87 × 1,821,234.41 - Step 4: Simplify right side
3,179,098.97x = 7,990,250,478,285.77 - Step 5: Solve for x
x = 7,990,250,478,285.77/3,179,098.97 - Step 6: Final answer
x = 2,513,369.53
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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.