Finding the Fourth Proportional to 6,891,736.20, 10,337,604.30 and 2,846,879.70
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Solution
The fourth proportional to 6,891,736.20, 10,337,604.30 and 2,846,879.70 is: 4,270,319.55
Step by Step Solution
- Step 1: Write the proportion equation
6,891,736.20 : 10,337,604.30 = 2,846,879.70 : x - Step 2: Convert to fraction form
6,891,736.20/10,337,604.30 = 2,846,879.70/x - Step 3: Cross multiply
6,891,736.20x = 10,337,604.30 × 2,846,879.70 - Step 4: Simplify right side
6,891,736.20x = 29,429,915,828,302.71 - Step 5: Solve for x
x = 29,429,915,828,302.71/6,891,736.20 - Step 6: Final answer
x = 4,270,319.55
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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.