Finding the Fourth Proportional to 1,786,687.80, 2,679,455.79 and 588,324.80
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Solution
The fourth proportional to 1,786,687.80, 2,679,455.79 and 588,324.80 is: 882,297.56
Step by Step Solution
- Step 1: Write the proportion equation
1,786,687.80 : 2,679,455.79 = 588,324.80 : x - Step 2: Convert to fraction form
1,786,687.80/2,679,455.79 = 588,324.80/x - Step 3: Cross multiply
1,786,687.80x = 2,679,455.79 × 588,324.80 - Step 4: Simplify right side
1,786,687.80x = 1,576,390,278,363.31 - Step 5: Solve for x
x = 1,576,390,278,363.31/1,786,687.80 - Step 6: Final answer
x = 882,297.56
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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.