Finding the Fourth Proportional to 4,920,920.68, 7,380,529.98 and 2,224,618.88
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Solution
The fourth proportional to 4,920,920.68, 7,380,529.98 and 2,224,618.88 is: 3,336,543.59
Step by Step Solution
- Step 1: Write the proportion equation
4,920,920.68 : 7,380,529.98 = 2,224,618.88 : x - Step 2: Convert to fraction form
4,920,920.68/7,380,529.98 = 2,224,618.88/x - Step 3: Cross multiply
4,920,920.68x = 7,380,529.98 × 2,224,618.88 - Step 4: Simplify right side
4,920,920.68x = 16,418,866,337,914.02 - Step 5: Solve for x
x = 16,418,866,337,914.02/4,920,920.68 - Step 6: Final answer
x = 3,336,543.59
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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.