Finding the Fourth Proportional to 1,994,586.10, 2,992,851.15 and 929,079.70
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Solution
The fourth proportional to 1,994,586.10, 2,992,851.15 and 929,079.70 is: 1,394,072.31
Step by Step Solution
- Step 1: Write the proportion equation
1,994,586.10 : 2,992,851.15 = 929,079.70 : x - Step 2: Convert to fraction form
1,994,586.10/2,992,851.15 = 929,079.70/x - Step 3: Cross multiply
1,994,586.10x = 2,992,851.15 × 929,079.70 - Step 4: Simplify right side
1,994,586.10x = 2,780,597,248,586.65 - Step 5: Solve for x
x = 2,780,597,248,586.65/1,994,586.10 - Step 6: Final answer
x = 1,394,072.31
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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.