Finding the Fourth Proportional to 4,440,956.40, 6,128,231.56 and 2,580,207.08
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Solution
The fourth proportional to 4,440,956.40, 6,128,231.56 and 2,580,207.08 is: 3,560,518.28
Step by Step Solution
- Step 1: Write the proportion equation
4,440,956.40 : 6,128,231.56 = 2,580,207.08 : x - Step 2: Convert to fraction form
4,440,956.40/6,128,231.56 = 2,580,207.08/x - Step 3: Cross multiply
4,440,956.40x = 6,128,231.56 × 2,580,207.08 - Step 4: Simplify right side
4,440,956.40x = 15,812,106,458,991.44 - Step 5: Solve for x
x = 15,812,106,458,991.44/4,440,956.40 - Step 6: Final answer
x = 3,560,518.28
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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.