Finding the Fourth Proportional to 4,440,664.12, 6,128,228.46 and 2,722,731.88
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Solution
The fourth proportional to 4,440,664.12, 6,128,228.46 and 2,722,731.88 is: 3,757,438.65
Step by Step Solution
- Step 1: Write the proportion equation
4,440,664.12 : 6,128,228.46 = 2,722,731.88 : x - Step 2: Convert to fraction form
4,440,664.12/6,128,228.46 = 2,722,731.88/x - Step 3: Cross multiply
4,440,664.12x = 6,128,228.46 × 2,722,731.88 - Step 4: Simplify right side
4,440,664.12x = 16,685,522,995,965.30 - Step 5: Solve for x
x = 16,685,522,995,965.30/4,440,664.12 - Step 6: Final answer
x = 3,757,438.65
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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.