Finding the Fourth Proportional to 3,457,768.24, 4,772,138.60 and 1,967,982.16
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Solution
The fourth proportional to 3,457,768.24, 4,772,138.60 and 1,967,982.16 is: 2,716,053.53
Step by Step Solution
- Step 1: Write the proportion equation
3,457,768.24 : 4,772,138.60 = 1,967,982.16 : x - Step 2: Convert to fraction form
3,457,768.24/4,772,138.60 = 1,967,982.16/x - Step 3: Cross multiply
3,457,768.24x = 4,772,138.60 × 1,967,982.16 - Step 4: Simplify right side
3,457,768.24x = 9,391,483,629,847.38 - Step 5: Solve for x
x = 9,391,483,629,847.38/3,457,768.24 - Step 6: Final answer
x = 2,716,053.53
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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.