Finding the Fourth Proportional to 4,964,830.20, 7,447,245.60 and 1,599,037.20
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Solution
The fourth proportional to 4,964,830.20, 7,447,245.60 and 1,599,037.20 is: 2,398,555.90
Step by Step Solution
- Step 1: Write the proportion equation
4,964,830.20 : 7,447,245.60 = 1,599,037.20 : x - Step 2: Convert to fraction form
4,964,830.20/7,447,245.60 = 1,599,037.20/x - Step 3: Cross multiply
4,964,830.20x = 7,447,245.60 × 1,599,037.20 - Step 4: Simplify right side
4,964,830.20x = 11,908,422,751,936.32 - Step 5: Solve for x
x = 11,908,422,751,936.32/4,964,830.20 - Step 6: Final answer
x = 2,398,555.90
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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.