Finding the Fourth Proportional to 4,155,994.20, 6,223,493.70 and 2,728,320.60
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Solution
The fourth proportional to 4,155,994.20, 6,223,493.70 and 2,728,320.60 is: 4,085,589.45
Step by Step Solution
- Step 1: Write the proportion equation
4,155,994.20 : 6,223,493.70 = 2,728,320.60 : x - Step 2: Convert to fraction form
4,155,994.20/6,223,493.70 = 2,728,320.60/x - Step 3: Cross multiply
4,155,994.20x = 6,223,493.70 × 2,728,320.60 - Step 4: Simplify right side
4,155,994.20x = 16,979,686,065,680.22 - Step 5: Solve for x
x = 16,979,686,065,680.22/4,155,994.20 - Step 6: Final answer
x = 4,085,589.45
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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.