Finding the Fourth Proportional to 3,937,197.36, 5,433,331.23 and 2,126,361.36
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Solution
The fourth proportional to 3,937,197.36, 5,433,331.23 and 2,126,361.36 is: 2,934,378.07
Step by Step Solution
- Step 1: Write the proportion equation
3,937,197.36 : 5,433,331.23 = 2,126,361.36 : x - Step 2: Convert to fraction form
3,937,197.36/5,433,331.23 = 2,126,361.36/x - Step 3: Cross multiply
3,937,197.36x = 5,433,331.23 × 2,126,361.36 - Step 4: Simplify right side
3,937,197.36x = 11,553,225,583,553.27 - Step 5: Solve for x
x = 11,553,225,583,553.27/3,937,197.36 - Step 6: Final answer
x = 2,934,378.07
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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.