Finding the Fourth Proportional to 4,548,992.76, 6,825,850.68 and 1,855,294.20
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Solution
The fourth proportional to 4,548,992.76, 6,825,850.68 and 1,855,294.20 is: 2,783,904.45
Step by Step Solution
- Step 1: Write the proportion equation
4,548,992.76 : 6,825,850.68 = 1,855,294.20 : x - Step 2: Convert to fraction form
4,548,992.76/6,825,850.68 = 1,855,294.20/x - Step 3: Cross multiply
4,548,992.76x = 6,825,850.68 × 1,855,294.20 - Step 4: Simplify right side
4,548,992.76x = 12,663,961,176,670.05 - Step 5: Solve for x
x = 12,663,961,176,670.05/4,548,992.76 - Step 6: Final answer
x = 2,783,904.45
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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.