Finding the Fourth Proportional to 3,747,703.80, 5,171,832.84 and 2,028,824.28
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Solution
The fourth proportional to 3,747,703.80, 5,171,832.84 and 2,028,824.28 is: 2,799,778.37
Step by Step Solution
- Step 1: Write the proportion equation
3,747,703.80 : 5,171,832.84 = 2,028,824.28 : x - Step 2: Convert to fraction form
3,747,703.80/5,171,832.84 = 2,028,824.28/x - Step 3: Cross multiply
3,747,703.80x = 5,171,832.84 × 2,028,824.28 - Step 4: Simplify right side
3,747,703.80x = 10,492,740,037,893.36 - Step 5: Solve for x
x = 10,492,740,037,893.36/3,747,703.80 - Step 6: Final answer
x = 2,799,778.37
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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.