Finding the Fourth Proportional to 6,857,971.62, 10,279,756.41 and 2,307,440.62
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Solution
The fourth proportional to 6,857,971.62, 10,279,756.41 and 2,307,440.62 is: 3,458,738.07
Step by Step Solution
- Step 1: Write the proportion equation
6,857,971.62 : 10,279,756.41 = 2,307,440.62 : x - Step 2: Convert to fraction form
6,857,971.62/10,279,756.41 = 2,307,440.62/x - Step 3: Cross multiply
6,857,971.62x = 10,279,756.41 × 2,307,440.62 - Step 4: Simplify right side
6,857,971.62x = 23,719,927,508,336.16 - Step 5: Solve for x
x = 23,719,927,508,336.16/6,857,971.62 - Step 6: Final answer
x = 3,458,738.07
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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.