Finding the Fourth Proportional to 5,149,288.12, 7,101,074.70 and 3,083,972.92
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Solution
The fourth proportional to 5,149,288.12, 7,101,074.70 and 3,083,972.92 is: 4,252,922.26
Step by Step Solution
- Step 1: Write the proportion equation
5,149,288.12 : 7,101,074.70 = 3,083,972.92 : x - Step 2: Convert to fraction form
5,149,288.12/7,101,074.70 = 3,083,972.92/x - Step 3: Cross multiply
5,149,288.12x = 7,101,074.70 × 3,083,972.92 - Step 4: Simplify right side
5,149,288.12x = 21,899,522,077,697.12 - Step 5: Solve for x
x = 21,899,522,077,697.12/5,149,288.12 - Step 6: Final answer
x = 4,252,922.26
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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.