Finding the Fourth Proportional to 1,579,819.29, 2,180,141.64 and 854,664.90
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Solution
The fourth proportional to 1,579,819.29, 2,180,141.64 and 854,664.90 is: 1,179,432.70
Step by Step Solution
- Step 1: Write the proportion equation
1,579,819.29 : 2,180,141.64 = 854,664.90 : x - Step 2: Convert to fraction form
1,579,819.29/2,180,141.64 = 854,664.90/x - Step 3: Cross multiply
1,579,819.29x = 2,180,141.64 × 854,664.90 - Step 4: Simplify right side
1,579,819.29x = 1,863,290,536,736.44 - Step 5: Solve for x
x = 1,863,290,536,736.44/1,579,819.29 - Step 6: Final answer
x = 1,179,432.70
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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.