Finding the Fourth Proportional to 4,080,659.20, 6,123,321.60 and 1,558,124.80
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Solution
The fourth proportional to 4,080,659.20, 6,123,321.60 and 1,558,124.80 is: 2,338,077.94
Step by Step Solution
- Step 1: Write the proportion equation
4,080,659.20 : 6,123,321.60 = 1,558,124.80 : x - Step 2: Convert to fraction form
4,080,659.20/6,123,321.60 = 1,558,124.80/x - Step 3: Cross multiply
4,080,659.20x = 6,123,321.60 × 1,558,124.80 - Step 4: Simplify right side
4,080,659.20x = 9,540,899,243,335.68 - Step 5: Solve for x
x = 9,540,899,243,335.68/4,080,659.20 - Step 6: Final answer
x = 2,338,077.94
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1.5x scale
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.