Finding the Fourth Proportional to 4,557,964.20, 6,289,939.58 and 2,493,039.08
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Solution
The fourth proportional to 4,557,964.20, 6,289,939.58 and 2,493,039.08 is: 3,440,366.03
Step by Step Solution
- Step 1: Write the proportion equation
4,557,964.20 : 6,289,939.58 = 2,493,039.08 : x - Step 2: Convert to fraction form
4,557,964.20/6,289,939.58 = 2,493,039.08/x - Step 3: Cross multiply
4,557,964.20x = 6,289,939.58 × 2,493,039.08 - Step 4: Simplify right side
4,557,964.20x = 15,681,065,183,778.79 - Step 5: Solve for x
x = 15,681,065,183,778.79/4,557,964.20 - Step 6: Final answer
x = 3,440,366.03
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.