Finding the Fourth Proportional to 2,092,074.38, 2,887,353.99 and 1,161,991.12
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Solution
The fourth proportional to 2,092,074.38, 2,887,353.99 and 1,161,991.12 is: 1,603,709.56
Step by Step Solution
- Step 1: Write the proportion equation
2,092,074.38 : 2,887,353.99 = 1,161,991.12 : x - Step 2: Convert to fraction form
2,092,074.38/2,887,353.99 = 1,161,991.12/x - Step 3: Cross multiply
2,092,074.38x = 2,887,353.99 × 1,161,991.12 - Step 4: Simplify right side
2,092,074.38x = 3,355,079,683,080.71 - Step 5: Solve for x
x = 3,355,079,683,080.71/2,092,074.38 - Step 6: Final answer
x = 1,603,709.56
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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.