Finding the Fourth Proportional to 1,579,215.16, 2,179,310.58 and 854,063.62
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Solution
The fourth proportional to 1,579,215.16, 2,179,310.58 and 854,063.62 is: 1,178,604.37
Step by Step Solution
- Step 1: Write the proportion equation
1,579,215.16 : 2,179,310.58 = 854,063.62 : x - Step 2: Convert to fraction form
1,579,215.16/2,179,310.58 = 854,063.62/x - Step 3: Cross multiply
1,579,215.16x = 2,179,310.58 × 854,063.62 - Step 4: Simplify right side
1,579,215.16x = 1,861,269,883,059.10 - Step 5: Solve for x
x = 1,861,269,883,059.10/1,579,215.16 - Step 6: Final answer
x = 1,178,604.37
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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.