Finding the Fourth Proportional to 3,430,946.40, 5,140,514.70 and 2,232,251.70
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Solution
The fourth proportional to 3,430,946.40, 5,140,514.70 and 2,232,251.70 is: 3,344,535.69
Step by Step Solution
- Step 1: Write the proportion equation
3,430,946.40 : 5,140,514.70 = 2,232,251.70 : x - Step 2: Convert to fraction form
3,430,946.40/5,140,514.70 = 2,232,251.70/x - Step 3: Cross multiply
3,430,946.40x = 5,140,514.70 × 2,232,251.70 - Step 4: Simplify right side
3,430,946.40x = 11,474,922,677,949.99 - Step 5: Solve for x
x = 11,474,922,677,949.99/3,430,946.40 - Step 6: Final answer
x = 3,344,535.69
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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.