Finding the Fourth Proportional to 1,578,631.68, 2,367,396.72 and 513,475.20
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Solution
The fourth proportional to 1,578,631.68, 2,367,396.72 and 513,475.20 is: 770,033.64
Step by Step Solution
- Step 1: Write the proportion equation
1,578,631.68 : 2,367,396.72 = 513,475.20 : x - Step 2: Convert to fraction form
1,578,631.68/2,367,396.72 = 513,475.20/x - Step 3: Cross multiply
1,578,631.68x = 2,367,396.72 × 513,475.20 - Step 4: Simplify right side
1,578,631.68x = 1,215,599,504,281.34 - Step 5: Solve for x
x = 1,215,599,504,281.34/1,578,631.68 - Step 6: Final answer
x = 770,033.64
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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.