Finding the Fourth Proportional to 4,579,738.80, 6,869,608.20 and 2,340,250.80
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Solution
The fourth proportional to 4,579,738.80, 6,869,608.20 and 2,340,250.80 is: 3,510,376.20
Step by Step Solution
- Step 1: Write the proportion equation
4,579,738.80 : 6,869,608.20 = 2,340,250.80 : x - Step 2: Convert to fraction form
4,579,738.80/6,869,608.20 = 2,340,250.80/x - Step 3: Cross multiply
4,579,738.80x = 6,869,608.20 × 2,340,250.80 - Step 4: Simplify right side
4,579,738.80x = 16,076,606,085,736.56 - Step 5: Solve for x
x = 16,076,606,085,736.56/4,579,738.80 - Step 6: Final answer
x = 3,510,376.20
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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.