Finding the Fourth Proportional to 4,874,751.39, 6,734,163.94 and 3,893,401.94
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Solution
The fourth proportional to 4,874,751.39, 6,734,163.94 and 3,893,401.94 is: 5,378,491.10
Step by Step Solution
- Step 1: Write the proportion equation
4,874,751.39 : 6,734,163.94 = 3,893,401.94 : x - Step 2: Convert to fraction form
4,874,751.39/6,734,163.94 = 3,893,401.94/x - Step 3: Cross multiply
4,874,751.39x = 6,734,163.94 × 3,893,401.94 - Step 4: Simplify right side
4,874,751.39x = 26,218,806,948,274.04 - Step 5: Solve for x
x = 26,218,806,948,274.04/4,874,751.39 - Step 6: Final answer
x = 5,378,491.10
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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.