Finding the Fourth Proportional to 4,869,922.88, 7,305,880.64 and 1,674,633.92
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Solution
The fourth proportional to 4,869,922.88, 7,305,880.64 and 1,674,633.92 is: 2,512,293.49
Step by Step Solution
- Step 1: Write the proportion equation
4,869,922.88 : 7,305,880.64 = 1,674,633.92 : x - Step 2: Convert to fraction form
4,869,922.88/7,305,880.64 = 1,674,633.92/x - Step 3: Cross multiply
4,869,922.88x = 7,305,880.64 × 1,674,633.92 - Step 4: Simplify right side
4,869,922.88x = 12,234,675,535,215.31 - Step 5: Solve for x
x = 12,234,675,535,215.31/4,869,922.88 - Step 6: Final answer
x = 2,512,293.49
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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.