Finding the Fourth Proportional to 4,087,416.70, 6,131,125.05 and 3,998,843.20
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Solution
The fourth proportional to 4,087,416.70, 6,131,125.05 and 3,998,843.20 is: 5,998,264.80
Step by Step Solution
- Step 1: Write the proportion equation
4,087,416.70 : 6,131,125.05 = 3,998,843.20 : x - Step 2: Convert to fraction form
4,087,416.70/6,131,125.05 = 3,998,843.20/x - Step 3: Cross multiply
4,087,416.70x = 6,131,125.05 × 3,998,843.20 - Step 4: Simplify right side
4,087,416.70x = 24,517,407,714,542.16 - Step 5: Solve for x
x = 24,517,407,714,542.16/4,087,416.70 - Step 6: Final answer
x = 5,998,264.80
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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.