Finding the Fourth Proportional to 3,048,709.20, 4,578,748.26 and 2,684,100.15
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Solution
The fourth proportional to 3,048,709.20, 4,578,748.26 and 2,684,100.15 is: 4,031,154.85
Step by Step Solution
- Step 1: Write the proportion equation
3,048,709.20 : 4,578,748.26 = 2,684,100.15 : x - Step 2: Convert to fraction form
3,048,709.20/4,578,748.26 = 2,684,100.15/x - Step 3: Cross multiply
3,048,709.20x = 4,578,748.26 × 2,684,100.15 - Step 4: Simplify right side
3,048,709.20x = 12,289,818,891,478.24 - Step 5: Solve for x
x = 12,289,818,891,478.24/3,048,709.20 - Step 6: Final answer
x = 4,031,154.85
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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.