Finding the Fourth Proportional to 3,416,928.98, 5,125,443.15 and 892,584.50
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Solution
The fourth proportional to 3,416,928.98, 5,125,443.15 and 892,584.50 is: 1,338,889.73
Step by Step Solution
- Step 1: Write the proportion equation
3,416,928.98 : 5,125,443.15 = 892,584.50 : x - Step 2: Convert to fraction form
3,416,928.98/5,125,443.15 = 892,584.50/x - Step 3: Cross multiply
3,416,928.98x = 5,125,443.15 × 892,584.50 - Step 4: Simplify right side
3,416,928.98x = 4,574,891,111,321.18 - Step 5: Solve for x
x = 4,574,891,111,321.18/3,416,928.98 - Step 6: Final answer
x = 1,338,889.73
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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.