Finding the Fourth Proportional to 1,511,231.70, 2,266,847.55 and 1,395,758.10
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Solution
The fourth proportional to 1,511,231.70, 2,266,847.55 and 1,395,758.10 is: 2,093,637.15
Step by Step Solution
- Step 1: Write the proportion equation
1,511,231.70 : 2,266,847.55 = 1,395,758.10 : x - Step 2: Convert to fraction form
1,511,231.70/2,266,847.55 = 1,395,758.10/x - Step 3: Cross multiply
1,511,231.70x = 2,266,847.55 × 1,395,758.10 - Step 4: Simplify right side
1,511,231.70x = 3,163,970,829,377.66 - Step 5: Solve for x
x = 3,163,970,829,377.66/1,511,231.70 - Step 6: Final answer
x = 2,093,637.15
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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.