Finding the Fourth Proportional to 2,097,578.10, 2,894,744.20 and 1,179,850.02
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Solution
The fourth proportional to 2,097,578.10, 2,894,744.20 and 1,179,850.02 is: 1,628,241.64
Step by Step Solution
- Step 1: Write the proportion equation
2,097,578.10 : 2,894,744.20 = 1,179,850.02 : x - Step 2: Convert to fraction form
2,097,578.10/2,894,744.20 = 1,179,850.02/x - Step 3: Cross multiply
2,097,578.10x = 2,894,744.20 × 1,179,850.02 - Step 4: Simplify right side
2,097,578.10x = 3,415,364,002,264.88 - Step 5: Solve for x
x = 3,415,364,002,264.88/2,097,578.10 - Step 6: Final answer
x = 1,628,241.64
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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.