Finding the Fourth Proportional to 4,378,593.21, 6,568,516.64 and 1,346,213.71
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Solution
The fourth proportional to 4,378,593.21, 6,568,516.64 and 1,346,213.71 is: 2,019,513.28
Step by Step Solution
- Step 1: Write the proportion equation
4,378,593.21 : 6,568,516.64 = 1,346,213.71 : x - Step 2: Convert to fraction form
4,378,593.21/6,568,516.64 = 1,346,213.71/x - Step 3: Cross multiply
4,378,593.21x = 6,568,516.64 × 1,346,213.71 - Step 4: Simplify right side
4,378,593.21x = 8,842,627,155,131.13 - Step 5: Solve for x
x = 8,842,627,155,131.13/4,378,593.21 - Step 6: Final answer
x = 2,019,513.28
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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.