Finding the Fourth Proportional to 4,268,489.81, 6,402,745.64 and 1,744,145.06
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Solution
The fourth proportional to 4,268,489.81, 6,402,745.64 and 1,744,145.06 is: 2,616,222.05
Step by Step Solution
- Step 1: Write the proportion equation
4,268,489.81 : 6,402,745.64 = 1,744,145.06 : x - Step 2: Convert to fraction form
4,268,489.81/6,402,745.64 = 1,744,145.06/x - Step 3: Cross multiply
4,268,489.81x = 6,402,745.64 × 1,744,145.06 - Step 4: Simplify right side
4,268,489.81x = 11,167,317,150,789.17 - Step 5: Solve for x
x = 11,167,317,150,789.17/4,268,489.81 - Step 6: Final answer
x = 2,616,222.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.