Finding the Fourth Proportional to 3,761,156.28, 5,190,544.49 and 2,107,317.66
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Solution
The fourth proportional to 3,761,156.28, 5,190,544.49 and 2,107,317.66 is: 2,908,181.75
Step by Step Solution
- Step 1: Write the proportion equation
3,761,156.28 : 5,190,544.49 = 2,107,317.66 : x - Step 2: Convert to fraction form
3,761,156.28/5,190,544.49 = 2,107,317.66/x - Step 3: Cross multiply
3,761,156.28x = 5,190,544.49 × 2,107,317.66 - Step 4: Simplify right side
3,761,156.28x = 10,938,126,058,256.11 - Step 5: Solve for x
x = 10,938,126,058,256.11/3,761,156.28 - Step 6: Final answer
x = 2,908,181.75
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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.