Finding the Fourth Proportional to 1,992,247.11, 2,986,595.55 and 729,779.49
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Solution
The fourth proportional to 1,992,247.11, 2,986,595.55 and 729,779.49 is: 1,094,018.99
Step by Step Solution
- Step 1: Write the proportion equation
1,992,247.11 : 2,986,595.55 = 729,779.49 : x - Step 2: Convert to fraction form
1,992,247.11/2,986,595.55 = 729,779.49/x - Step 3: Cross multiply
1,992,247.11x = 2,986,595.55 × 729,779.49 - Step 4: Simplify right side
1,992,247.11x = 2,179,556,177,315.27 - Step 5: Solve for x
x = 2,179,556,177,315.27/1,992,247.11 - Step 6: Final answer
x = 1,094,018.99
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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.