Finding the Fourth Proportional to 5,034,607.28, 6,947,515.68 and 2,858,863.04
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Solution
The fourth proportional to 5,034,607.28, 6,947,515.68 and 2,858,863.04 is: 3,945,093.37
Step by Step Solution
- Step 1: Write the proportion equation
5,034,607.28 : 6,947,515.68 = 2,858,863.04 : x - Step 2: Convert to fraction form
5,034,607.28/6,947,515.68 = 2,858,863.04/x - Step 3: Cross multiply
5,034,607.28x = 6,947,515.68 × 2,858,863.04 - Step 4: Simplify right side
5,034,607.28x = 19,861,995,797,372.46 - Step 5: Solve for x
x = 19,861,995,797,372.46/5,034,607.28 - Step 6: Final answer
x = 3,945,093.37
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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.