Finding the Fourth Proportional to 3,611,541.54, 4,983,819.44 and 1,979,893.14
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Solution
The fourth proportional to 3,611,541.54, 4,983,819.44 and 1,979,893.14 is: 2,732,193.39
Step by Step Solution
- Step 1: Write the proportion equation
3,611,541.54 : 4,983,819.44 = 1,979,893.14 : x - Step 2: Convert to fraction form
3,611,541.54/4,983,819.44 = 1,979,893.14/x - Step 3: Cross multiply
3,611,541.54x = 4,983,819.44 × 1,979,893.14 - Step 4: Simplify right side
3,611,541.54x = 9,867,429,920,254.64 - Step 5: Solve for x
x = 9,867,429,920,254.64/3,611,541.54 - Step 6: Final answer
x = 2,732,193.39
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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.