Finding the Fourth Proportional to 2,264,479.12, 3,122,363.05 and 1,805,234.64
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Solution
The fourth proportional to 2,264,479.12, 3,122,363.05 and 1,805,234.64 is: 2,489,136.63
Step by Step Solution
- Step 1: Write the proportion equation
2,264,479.12 : 3,122,363.05 = 1,805,234.64 : x - Step 2: Convert to fraction form
2,264,479.12/3,122,363.05 = 1,805,234.64/x - Step 3: Cross multiply
2,264,479.12x = 3,122,363.05 × 1,805,234.64 - Step 4: Simplify right side
2,264,479.12x = 5,636,597,936,516.05 - Step 5: Solve for x
x = 5,636,597,936,516.05/2,264,479.12 - Step 6: Final answer
x = 2,489,136.63
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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.