Finding the Fourth Proportional to 4,494,328.80, 6,740,399.70 and 1,299,121.80
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Solution
The fourth proportional to 4,494,328.80, 6,740,399.70 and 1,299,121.80 is: 1,948,366.62
Step by Step Solution
- Step 1: Write the proportion equation
4,494,328.80 : 6,740,399.70 = 1,299,121.80 : x - Step 2: Convert to fraction form
4,494,328.80/6,740,399.70 = 1,299,121.80/x - Step 3: Cross multiply
4,494,328.80x = 6,740,399.70 × 1,299,121.80 - Step 4: Simplify right side
4,494,328.80x = 8,756,600,190,983.46 - Step 5: Solve for x
x = 8,756,600,190,983.46/4,494,328.80 - Step 6: Final answer
x = 1,948,366.62
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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.