Finding the Fourth Proportional to 4,188,170.80, 6,282,256.20 and 2,593,847.80
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Solution
The fourth proportional to 4,188,170.80, 6,282,256.20 and 2,593,847.80 is: 3,890,771.70
Step by Step Solution
- Step 1: Write the proportion equation
4,188,170.80 : 6,282,256.20 = 2,593,847.80 : x - Step 2: Convert to fraction form
4,188,170.80/6,282,256.20 = 2,593,847.80/x - Step 3: Cross multiply
4,188,170.80x = 6,282,256.20 × 2,593,847.80 - Step 4: Simplify right side
4,188,170.80x = 16,295,216,423,406.36 - Step 5: Solve for x
x = 16,295,216,423,406.36/4,188,170.80 - Step 6: Final answer
x = 3,890,771.70
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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.