Finding the Fourth Proportional to 3,504,908.70, 5,257,363.05 and 2,152,686.60
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Solution
The fourth proportional to 3,504,908.70, 5,257,363.05 and 2,152,686.60 is: 3,229,029.90
Step by Step Solution
- Step 1: Write the proportion equation
3,504,908.70 : 5,257,363.05 = 2,152,686.60 : x - Step 2: Convert to fraction form
3,504,908.70/5,257,363.05 = 2,152,686.60/x - Step 3: Cross multiply
3,504,908.70x = 5,257,363.05 × 2,152,686.60 - Step 4: Simplify right side
3,504,908.70x = 11,317,454,989,070.13 - Step 5: Solve for x
x = 11,317,454,989,070.13/3,504,908.70 - Step 6: Final answer
x = 3,229,029.90
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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.