Finding the Fourth Proportional to 2,094,189.19, 2,889,983.81 and 1,188,771.19
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Solution
The fourth proportional to 2,094,189.19, 2,889,983.81 and 1,188,771.19 is: 1,640,505.79
Step by Step Solution
- Step 1: Write the proportion equation
2,094,189.19 : 2,889,983.81 = 1,188,771.19 : x - Step 2: Convert to fraction form
2,094,189.19/2,889,983.81 = 1,188,771.19/x - Step 3: Cross multiply
2,094,189.19x = 2,889,983.81 × 1,188,771.19 - Step 4: Simplify right side
2,094,189.19x = 3,435,529,488,641.40 - Step 5: Solve for x
x = 3,435,529,488,641.40/2,094,189.19 - Step 6: Final answer
x = 1,640,505.79
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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.