Finding the Fourth Proportional to 4,416,759.36, 6,625,139.84 and 1,384,124.20
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Solution
The fourth proportional to 4,416,759.36, 6,625,139.84 and 1,384,124.20 is: 2,076,186.55
Step by Step Solution
- Step 1: Write the proportion equation
4,416,759.36 : 6,625,139.84 = 1,384,124.20 : x - Step 2: Convert to fraction form
4,416,759.36/6,625,139.84 = 1,384,124.20/x - Step 3: Cross multiply
4,416,759.36x = 6,625,139.84 × 1,384,124.20 - Step 4: Simplify right side
4,416,759.36x = 9,170,016,380,928.13 - Step 5: Solve for x
x = 9,170,016,380,928.13/4,416,759.36 - Step 6: Final answer
x = 2,076,186.55
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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.