Finding the Fourth Proportional to 5,320,358.18, 7,342,636.76 and 3,256,737.49
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Solution
The fourth proportional to 5,320,358.18, 7,342,636.76 and 3,256,737.49 is: 4,494,629.79
Step by Step Solution
- Step 1: Write the proportion equation
5,320,358.18 : 7,342,636.76 = 3,256,737.49 : x - Step 2: Convert to fraction form
5,320,358.18/7,342,636.76 = 3,256,737.49/x - Step 3: Cross multiply
5,320,358.18x = 7,342,636.76 × 3,256,737.49 - Step 4: Simplify right side
5,320,358.18x = 23,913,040,384,708.75 - Step 5: Solve for x
x = 23,913,040,384,708.75/5,320,358.18 - Step 6: Final answer
x = 4,494,629.79
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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.