Finding the Fourth Proportional to 1,657,872.97, 2,486,809.31 and 459,795.28
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Solution
The fourth proportional to 1,657,872.97, 2,486,809.31 and 459,795.28 is: 689,692.87
Step by Step Solution
- Step 1: Write the proportion equation
1,657,872.97 : 2,486,809.31 = 459,795.28 : x - Step 2: Convert to fraction form
1,657,872.97/2,486,809.31 = 459,795.28/x - Step 3: Cross multiply
1,657,872.97x = 2,486,809.31 × 459,795.28 - Step 4: Simplify right side
1,657,872.97x = 1,143,423,170,564.01 - Step 5: Solve for x
x = 1,143,423,170,564.01/1,657,872.97 - Step 6: Final answer
x = 689,692.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.