Finding the Fourth Proportional to 6,785,909.20, 10,178,863.80 and 5,723,027.20
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Solution
The fourth proportional to 6,785,909.20, 10,178,863.80 and 5,723,027.20 is: 8,584,540.80
Step by Step Solution
- Step 1: Write the proportion equation
6,785,909.20 : 10,178,863.80 = 5,723,027.20 : x - Step 2: Convert to fraction form
6,785,909.20/10,178,863.80 = 5,723,027.20/x - Step 3: Cross multiply
6,785,909.20x = 10,178,863.80 × 5,723,027.20 - Step 4: Simplify right side
6,785,909.20x = 58,253,914,392,495.37 - Step 5: Solve for x
x = 58,253,914,392,495.37/6,785,909.20 - Step 6: Final answer
x = 8,584,540.80
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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.