Finding the Fourth Proportional to 5,586,126.76, 7,709,512.26 and 3,138,743.08
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Solution
The fourth proportional to 5,586,126.76, 7,709,512.26 and 3,138,743.08 is: 4,331,834.79
Step by Step Solution
- Step 1: Write the proportion equation
5,586,126.76 : 7,709,512.26 = 3,138,743.08 : x - Step 2: Convert to fraction form
5,586,126.76/7,709,512.26 = 3,138,743.08/x - Step 3: Cross multiply
5,586,126.76x = 7,709,512.26 × 3,138,743.08 - Step 4: Simplify right side
5,586,126.76x = 24,198,178,256,250.16 - Step 5: Solve for x
x = 24,198,178,256,250.16/5,586,126.76 - Step 6: Final answer
x = 4,331,834.79
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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.