Finding the Fourth Proportional to 1,731,241.79, 2,389,115.98 and 996,181.46
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Solution
The fourth proportional to 1,731,241.79, 2,389,115.98 and 996,181.46 is: 1,374,731.75
Step by Step Solution
- Step 1: Write the proportion equation
1,731,241.79 : 2,389,115.98 = 996,181.46 : x - Step 2: Convert to fraction form
1,731,241.79/2,389,115.98 = 996,181.46/x - Step 3: Cross multiply
1,731,241.79x = 2,389,115.98 × 996,181.46 - Step 4: Simplify right side
1,731,241.79x = 2,379,993,045,065.73 - Step 5: Solve for x
x = 2,379,993,045,065.73/1,731,241.79 - Step 6: Final answer
x = 1,374,731.75
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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.