Finding the Fourth Proportional to 2,021,197.99, 2,789,085.61 and 1,149,800.82
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Solution
The fourth proportional to 2,021,197.99, 2,789,085.61 and 1,149,800.82 is: 1,586,629.78
Step by Step Solution
- Step 1: Write the proportion equation
2,021,197.99 : 2,789,085.61 = 1,149,800.82 : x - Step 2: Convert to fraction form
2,021,197.99/2,789,085.61 = 1,149,800.82/x - Step 3: Cross multiply
2,021,197.99x = 2,789,085.61 × 1,149,800.82 - Step 4: Simplify right side
2,021,197.99x = 3,206,892,921,428.20 - Step 5: Solve for x
x = 3,206,892,921,428.20/2,021,197.99 - Step 6: Final answer
x = 1,586,629.78
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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.