Finding the Fourth Proportional to 4,536,622.20, 6,806,136.15 and 1,976,738.70
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Solution
The fourth proportional to 4,536,622.20, 6,806,136.15 and 1,976,738.70 is: 2,965,632.17
Step by Step Solution
- Step 1: Write the proportion equation
4,536,622.20 : 6,806,136.15 = 1,976,738.70 : x - Step 2: Convert to fraction form
4,536,622.20/6,806,136.15 = 1,976,738.70/x - Step 3: Cross multiply
4,536,622.20x = 6,806,136.15 × 1,976,738.70 - Step 4: Simplify right side
4,536,622.20x = 13,453,952,725,174.01 - Step 5: Solve for x
x = 13,453,952,725,174.01/4,536,622.20 - Step 6: Final answer
x = 2,965,632.17
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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.