Finding the Fourth Proportional to 4,920,914.68, 7,380,520.86 and 2,224,612.84
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Solution
The fourth proportional to 4,920,914.68, 7,380,520.86 and 2,224,612.84 is: 3,336,534.47
Step by Step Solution
- Step 1: Write the proportion equation
4,920,914.68 : 7,380,520.86 = 2,224,612.84 : x - Step 2: Convert to fraction form
4,920,914.68/7,380,520.86 = 2,224,612.84/x - Step 3: Cross multiply
4,920,914.68x = 7,380,520.86 × 2,224,612.84 - Step 4: Simplify right side
4,920,914.68x = 16,418,801,471,043.84 - Step 5: Solve for x
x = 16,418,801,471,043.84/4,920,914.68 - Step 6: Final answer
x = 3,336,534.47
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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.