Finding the Fourth Proportional to 4,979,574.90, 7,457,387.94 and 2,843,183.70
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Solution
The fourth proportional to 4,979,574.90, 7,457,387.94 and 2,843,183.70 is: 4,257,938.53
Step by Step Solution
- Step 1: Write the proportion equation
4,979,574.90 : 7,457,387.94 = 2,843,183.70 : x - Step 2: Convert to fraction form
4,979,574.90/7,457,387.94 = 2,843,183.70/x - Step 3: Cross multiply
4,979,574.90x = 7,457,387.94 × 2,843,183.70 - Step 4: Simplify right side
4,979,574.90x = 21,202,723,835,584.58 - Step 5: Solve for x
x = 21,202,723,835,584.58/4,979,574.90 - Step 6: Final answer
x = 4,257,938.53
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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.