Finding the Fourth Proportional to 2,469,869.20, 3,704,803.80 and 1,210,157.20
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Solution
The fourth proportional to 2,469,869.20, 3,704,803.80 and 1,210,157.20 is: 1,815,235.80
Step by Step Solution
- Step 1: Write the proportion equation
2,469,869.20 : 3,704,803.80 = 1,210,157.20 : x - Step 2: Convert to fraction form
2,469,869.20/3,704,803.80 = 1,210,157.20/x - Step 3: Cross multiply
2,469,869.20x = 3,704,803.80 × 1,210,157.20 - Step 4: Simplify right side
2,469,869.20x = 4,483,394,993,157.36 - Step 5: Solve for x
x = 4,483,394,993,157.36/2,469,869.20 - Step 6: Final answer
x = 1,815,235.80
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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.