Finding the Fourth Proportional to 1,620,724.37, 2,431,181.70 and 609,855.08
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Solution
The fourth proportional to 1,620,724.37, 2,431,181.70 and 609,855.08 is: 914,818.42
Step by Step Solution
- Step 1: Write the proportion equation
1,620,724.37 : 2,431,181.70 = 609,855.08 : x - Step 2: Convert to fraction form
1,620,724.37/2,431,181.70 = 609,855.08/x - Step 3: Cross multiply
1,620,724.37x = 2,431,181.70 × 609,855.08 - Step 4: Simplify right side
1,620,724.37x = 1,482,668,510,148.04 - Step 5: Solve for x
x = 1,482,668,510,148.04/1,620,724.37 - Step 6: Final answer
x = 914,818.42
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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.