Finding the Fourth Proportional to 2,741,982.91, 3,787,877.93 and 2,189,973.92
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Solution
The fourth proportional to 2,741,982.91, 3,787,877.93 and 2,189,973.92 is: 3,025,312.02
Step by Step Solution
- Step 1: Write the proportion equation
2,741,982.91 : 3,787,877.93 = 2,189,973.92 : x - Step 2: Convert to fraction form
2,741,982.91/3,787,877.93 = 2,189,973.92/x - Step 3: Cross multiply
2,741,982.91x = 3,787,877.93 × 2,189,973.92 - Step 4: Simplify right side
2,741,982.91x = 8,295,353,848,954.33 - Step 5: Solve for x
x = 8,295,353,848,954.33/2,741,982.91 - Step 6: Final answer
x = 3,025,312.02
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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.