Finding the Fourth Proportional to 1,993,133.42, 2,750,523.34 and 1,087,715.42
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Solution
The fourth proportional to 1,993,133.42, 2,750,523.34 and 1,087,715.42 is: 1,501,046.85
Step by Step Solution
- Step 1: Write the proportion equation
1,993,133.42 : 2,750,523.34 = 1,087,715.42 : x - Step 2: Convert to fraction form
1,993,133.42/2,750,523.34 = 1,087,715.42/x - Step 3: Cross multiply
1,993,133.42x = 2,750,523.34 × 1,087,715.42 - Step 4: Simplify right side
1,993,133.42x = 2,991,786,649,987.90 - Step 5: Solve for x
x = 2,991,786,649,987.90/1,993,133.42 - Step 6: Final answer
x = 1,501,046.85
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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.