Finding the Fourth Proportional to 4,791,399.81, 6,612,097.20 and 2,615,942.96
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Solution
The fourth proportional to 4,791,399.81, 6,612,097.20 and 2,615,942.96 is: 3,609,982.43
Step by Step Solution
- Step 1: Write the proportion equation
4,791,399.81 : 6,612,097.20 = 2,615,942.96 : x - Step 2: Convert to fraction form
4,791,399.81/6,612,097.20 = 2,615,942.96/x - Step 3: Cross multiply
4,791,399.81x = 6,612,097.20 × 2,615,942.96 - Step 4: Simplify right side
4,791,399.81x = 17,296,869,121,175.71 - Step 5: Solve for x
x = 17,296,869,121,175.71/4,791,399.81 - Step 6: Final answer
x = 3,609,982.43
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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.