Finding the Fourth Proportional to 1,977,491.44, 2,729,011.66 and 1,118,000.44
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Solution
The fourth proportional to 1,977,491.44, 2,729,011.66 and 1,118,000.44 is: 1,542,882.15
Step by Step Solution
- Step 1: Write the proportion equation
1,977,491.44 : 2,729,011.66 = 1,118,000.44 : x - Step 2: Convert to fraction form
1,977,491.44/2,729,011.66 = 1,118,000.44/x - Step 3: Cross multiply
1,977,491.44x = 2,729,011.66 × 1,118,000.44 - Step 4: Simplify right side
1,977,491.44x = 3,051,036,236,645.13 - Step 5: Solve for x
x = 3,051,036,236,645.13/1,977,491.44 - Step 6: Final answer
x = 1,542,882.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.