Finding the Fourth Proportional to 1,691,795.20, 2,537,650.60 and 493,727.88
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Solution
The fourth proportional to 1,691,795.20, 2,537,650.60 and 493,727.88 is: 740,579.50
Step by Step Solution
- Step 1: Write the proportion equation
1,691,795.20 : 2,537,650.60 = 493,727.88 : x - Step 2: Convert to fraction form
1,691,795.20/2,537,650.60 = 493,727.88/x - Step 3: Cross multiply
1,691,795.20x = 2,537,650.60 × 493,727.88 - Step 4: Simplify right side
1,691,795.20x = 1,252,908,850,918.73 - Step 5: Solve for x
x = 1,252,908,850,918.73/1,691,795.20 - Step 6: Final answer
x = 740,579.50
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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.