Finding the Fourth Proportional to 4,576,819.80, 6,860,855.70 and 1,697,415.60
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Solution
The fourth proportional to 4,576,819.80, 6,860,855.70 and 1,697,415.60 is: 2,544,501.20
Step by Step Solution
- Step 1: Write the proportion equation
4,576,819.80 : 6,860,855.70 = 1,697,415.60 : x - Step 2: Convert to fraction form
4,576,819.80/6,860,855.70 = 1,697,415.60/x - Step 3: Cross multiply
4,576,819.80x = 6,860,855.70 × 1,697,415.60 - Step 4: Simplify right side
4,576,819.80x = 11,645,723,494,528.92 - Step 5: Solve for x
x = 11,645,723,494,528.92/4,576,819.80 - Step 6: Final answer
x = 2,544,501.20
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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.