Finding the Fourth Proportional to 3,599,112.74, 4,940,337.84 and 3,182,079.18
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Solution
The fourth proportional to 3,599,112.74, 4,940,337.84 and 3,182,079.18 is: 4,367,894.90
Step by Step Solution
- Step 1: Write the proportion equation
3,599,112.74 : 4,940,337.84 = 3,182,079.18 : x - Step 2: Convert to fraction form
3,599,112.74/4,940,337.84 = 3,182,079.18/x - Step 3: Cross multiply
3,599,112.74x = 4,940,337.84 × 3,182,079.18 - Step 4: Simplify right side
3,599,112.74x = 15,720,546,182,830.17 - Step 5: Solve for x
x = 15,720,546,182,830.17/3,599,112.74 - Step 6: Final answer
x = 4,367,894.90
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.