Finding the Fourth Proportional to 3,431,602.48, 4,735,617 and 1,903,709.62
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Solution
The fourth proportional to 3,431,602.48, 4,735,617 and 1,903,709.62 is: 2,627,122.37
Step by Step Solution
- Step 1: Write the proportion equation
3,431,602.48 : 4,735,617 = 1,903,709.62 : x - Step 2: Convert to fraction form
3,431,602.48/4,735,617 = 1,903,709.62/x - Step 3: Cross multiply
3,431,602.48x = 4,735,617 × 1,903,709.62 - Step 4: Simplify right side
3,431,602.48x = 9,015,239,639,535.54 - Step 5: Solve for x
x = 9,015,239,639,535.54/3,431,602.48 - Step 6: Final answer
x = 2,627,122.37
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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.