Finding the Fourth Proportional to 4,188,554.05, 6,284,725.77 and 2,138,155.42
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Solution
The fourth proportional to 4,188,554.05, 6,284,725.77 and 2,138,155.42 is: 3,208,200.33
Step by Step Solution
- Step 1: Write the proportion equation
4,188,554.05 : 6,284,725.77 = 2,138,155.42 : x - Step 2: Convert to fraction form
4,188,554.05/6,284,725.77 = 2,138,155.42/x - Step 3: Cross multiply
4,188,554.05x = 6,284,725.77 × 2,138,155.42 - Step 4: Simplify right side
4,188,554.05x = 13,437,720,468,339.17 - Step 5: Solve for x
x = 13,437,720,468,339.17/4,188,554.05 - Step 6: Final answer
x = 3,208,200.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.