Finding the Fourth Proportional to 1,691,458.12, 2,536,578.06 and 493,141.96
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Solution
The fourth proportional to 1,691,458.12, 2,536,578.06 and 493,141.96 is: 739,535.35
Step by Step Solution
- Step 1: Write the proportion equation
1,691,458.12 : 2,536,578.06 = 493,141.96 : x - Step 2: Convert to fraction form
1,691,458.12/2,536,578.06 = 493,141.96/x - Step 3: Cross multiply
1,691,458.12x = 2,536,578.06 × 493,141.96 - Step 4: Simplify right side
1,691,458.12x = 1,250,893,076,201.40 - Step 5: Solve for x
x = 1,250,893,076,201.40/1,691,458.12 - Step 6: Final answer
x = 739,535.35
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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.