Finding the Fourth Proportional to 6,836,078.99, 9,434,949.05 and 3,937,148.28
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Solution
The fourth proportional to 6,836,078.99, 9,434,949.05 and 3,937,148.28 is: 5,433,932.74
Step by Step Solution
- Step 1: Write the proportion equation
6,836,078.99 : 9,434,949.05 = 3,937,148.28 : x - Step 2: Convert to fraction form
6,836,078.99/9,434,949.05 = 3,937,148.28/x - Step 3: Cross multiply
6,836,078.99x = 9,434,949.05 × 3,937,148.28 - Step 4: Simplify right side
6,836,078.99x = 37,146,793,433,938 - Step 5: Solve for x
x = 37,146,793,433,938/6,836,078.99 - Step 6: Final answer
x = 5,433,932.74
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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.