Finding the Fourth Proportional to 3,448,166.26, 4,758,128.84 and 1,920,415.54
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Solution
The fourth proportional to 3,448,166.26, 4,758,128.84 and 1,920,415.54 is: 2,649,983.75
Step by Step Solution
- Step 1: Write the proportion equation
3,448,166.26 : 4,758,128.84 = 1,920,415.54 : x - Step 2: Convert to fraction form
3,448,166.26/4,758,128.84 = 1,920,415.54/x - Step 3: Cross multiply
3,448,166.26x = 4,758,128.84 × 1,920,415.54 - Step 4: Simplify right side
3,448,166.26x = 9,137,584,565,658.17 - Step 5: Solve for x
x = 9,137,584,565,658.17/3,448,166.26 - Step 6: Final answer
x = 2,649,983.75
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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.