Finding the Fourth Proportional to 4,485,636.60, 6,189,960.78 and 2,448,324.60
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Solution
The fourth proportional to 4,485,636.60, 6,189,960.78 and 2,448,324.60 is: 3,378,569.11
Step by Step Solution
- Step 1: Write the proportion equation
4,485,636.60 : 6,189,960.78 = 2,448,324.60 : x - Step 2: Convert to fraction form
4,485,636.60/6,189,960.78 = 2,448,324.60/x - Step 3: Cross multiply
4,485,636.60x = 6,189,960.78 × 2,448,324.60 - Step 4: Simplify right side
4,485,636.60x = 15,155,033,250,709.19 - Step 5: Solve for x
x = 15,155,033,250,709.19/4,485,636.60 - Step 6: Final answer
x = 3,378,569.11
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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.