Finding the Fourth Proportional to 5,183,478.46, 7,156,742.07 and 3,352,368.70
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Solution
The fourth proportional to 5,183,478.46, 7,156,742.07 and 3,352,368.70 is: 4,628,559.43
Step by Step Solution
- Step 1: Write the proportion equation
5,183,478.46 : 7,156,742.07 = 3,352,368.70 : x - Step 2: Convert to fraction form
5,183,478.46/7,156,742.07 = 3,352,368.70/x - Step 3: Cross multiply
5,183,478.46x = 7,156,742.07 × 3,352,368.70 - Step 4: Simplify right side
5,183,478.46x = 23,992,038,109,441.21 - Step 5: Solve for x
x = 23,992,038,109,441.21/5,183,478.46 - Step 6: Final answer
x = 4,628,559.43
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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.