Finding the Fourth Proportional to 2,202,817.74, 3,040,191.12 and 1,236,005.19
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Solution
The fourth proportional to 2,202,817.74, 3,040,191.12 and 1,236,005.19 is: 1,705,856.97
Step by Step Solution
- Step 1: Write the proportion equation
2,202,817.74 : 3,040,191.12 = 1,236,005.19 : x - Step 2: Convert to fraction form
2,202,817.74/3,040,191.12 = 1,236,005.19/x - Step 3: Cross multiply
2,202,817.74x = 3,040,191.12 × 1,236,005.19 - Step 4: Simplify right side
2,202,817.74x = 3,757,692,002,911.91 - Step 5: Solve for x
x = 3,757,692,002,911.91/2,202,817.74 - Step 6: Final answer
x = 1,705,856.97
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1.5x scale
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.