Finding the Fourth Proportional to 3,178,625.09, 4,386,469.34 and 2,366,460.77
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Solution
The fourth proportional to 3,178,625.09, 4,386,469.34 and 2,366,460.77 is: 3,265,691.08
Step by Step Solution
- Step 1: Write the proportion equation
3,178,625.09 : 4,386,469.34 = 2,366,460.77 : x - Step 2: Convert to fraction form
3,178,625.09/4,386,469.34 = 2,366,460.77/x - Step 3: Cross multiply
3,178,625.09x = 4,386,469.34 × 2,366,460.77 - Step 4: Simplify right side
3,178,625.09x = 10,380,407,595,901.60 - Step 5: Solve for x
x = 10,380,407,595,901.60/3,178,625.09 - Step 6: Final answer
x = 3,265,691.08
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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.