Finding the Fourth Proportional to 3,747,701.29, 5,171,829.45 and 2,028,821.75
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Solution
The fourth proportional to 3,747,701.29, 5,171,829.45 and 2,028,821.75 is: 2,799,774.92
Step by Step Solution
- Step 1: Write the proportion equation
3,747,701.29 : 5,171,829.45 = 2,028,821.75 : x - Step 2: Convert to fraction form
3,747,701.29/5,171,829.45 = 2,028,821.75/x - Step 3: Cross multiply
3,747,701.29x = 5,171,829.45 × 2,028,821.75 - Step 4: Simplify right side
3,747,701.29x = 10,492,720,075,450.54 - Step 5: Solve for x
x = 10,492,720,075,450.54/3,747,701.29 - Step 6: Final answer
x = 2,799,774.92
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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.