Finding the Fourth Proportional to 4,152,811.40, 6,229,217.10 and 1,313,793.80
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Solution
The fourth proportional to 4,152,811.40, 6,229,217.10 and 1,313,793.80 is: 1,970,690.70
Step by Step Solution
- Step 1: Write the proportion equation
4,152,811.40 : 6,229,217.10 = 1,313,793.80 : x - Step 2: Convert to fraction form
4,152,811.40/6,229,217.10 = 1,313,793.80/x - Step 3: Cross multiply
4,152,811.40x = 6,229,217.10 × 1,313,793.80 - Step 4: Simplify right side
4,152,811.40x = 8,183,906,804,833.98 - Step 5: Solve for x
x = 8,183,906,804,833.98/4,152,811.40 - Step 6: Final answer
x = 1,970,690.70
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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.