Finding the Fourth Proportional to 4,485,420.77, 6,189,880.68 and 2,448,230.27
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Solution
The fourth proportional to 4,485,420.77, 6,189,880.68 and 2,448,230.27 is: 3,378,557.78
Step by Step Solution
- Step 1: Write the proportion equation
4,485,420.77 : 6,189,880.68 = 2,448,230.27 : x - Step 2: Convert to fraction form
4,485,420.77/6,189,880.68 = 2,448,230.27/x - Step 3: Cross multiply
4,485,420.77x = 6,189,880.68 × 2,448,230.27 - Step 4: Simplify right side
4,485,420.77x = 15,154,253,217,514.78 - Step 5: Solve for x
x = 15,154,253,217,514.78/4,485,420.77 - Step 6: Final answer
x = 3,378,557.78
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1.5x scale
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.