Finding the Fourth Proportional to 4,969,811.80, 7,454,717.70 and 2,574,390.70
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Solution
The fourth proportional to 4,969,811.80, 7,454,717.70 and 2,574,390.70 is: 3,861,586.05
Step by Step Solution
- Step 1: Write the proportion equation
4,969,811.80 : 7,454,717.70 = 2,574,390.70 : x - Step 2: Convert to fraction form
4,969,811.80/7,454,717.70 = 2,574,390.70/x - Step 3: Cross multiply
4,969,811.80x = 7,454,717.70 × 2,574,390.70 - Step 4: Simplify right side
4,969,811.80x = 19,191,355,918,005.39 - Step 5: Solve for x
x = 19,191,355,918,005.39/4,969,811.80 - Step 6: Final answer
x = 3,861,586.05
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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.