Finding the Fourth Proportional to 1,731,241.53, 2,389,115.63 and 996,181.21
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Solution
The fourth proportional to 1,731,241.53, 2,389,115.63 and 996,181.21 is: 1,374,731.40
Step by Step Solution
- Step 1: Write the proportion equation
1,731,241.53 : 2,389,115.63 = 996,181.21 : x - Step 2: Convert to fraction form
1,731,241.53/2,389,115.63 = 996,181.21/x - Step 3: Cross multiply
1,731,241.53x = 2,389,115.63 × 996,181.21 - Step 4: Simplify right side
1,731,241.53x = 2,379,992,099,123.31 - Step 5: Solve for x
x = 2,379,992,099,123.31/1,731,241.53 - Step 6: Final answer
x = 1,374,731.40
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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.