Finding the Fourth Proportional to 1,281,541.99, 1,921,957.15 and 382,770.65
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Solution
The fourth proportional to 1,281,541.99, 1,921,957.15 and 382,770.65 is: 574,049.69
Step by Step Solution
- Step 1: Write the proportion equation
1,281,541.99 : 1,921,957.15 = 382,770.65 : x - Step 2: Convert to fraction form
1,281,541.99/1,921,957.15 = 382,770.65/x - Step 3: Cross multiply
1,281,541.99x = 1,921,957.15 × 382,770.65 - Step 4: Simplify right side
1,281,541.99x = 735,668,787,577.65 - Step 5: Solve for x
x = 735,668,787,577.65/1,281,541.99 - Step 6: Final answer
x = 574,049.69
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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.