Finding the Fourth Proportional to 1,780,115.01, 2,456,998.16 and 1,016,611.44
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Solution
The fourth proportional to 1,780,115.01, 2,456,998.16 and 1,016,611.44 is: 1,403,174.75
Step by Step Solution
- Step 1: Write the proportion equation
1,780,115.01 : 2,456,998.16 = 1,016,611.44 : x - Step 2: Convert to fraction form
1,780,115.01/2,456,998.16 = 1,016,611.44/x - Step 3: Cross multiply
1,780,115.01x = 2,456,998.16 × 1,016,611.44 - Step 4: Simplify right side
1,780,115.01x = 2,497,812,432,431.89 - Step 5: Solve for x
x = 2,497,812,432,431.89/1,780,115.01 - Step 6: Final answer
x = 1,403,174.75
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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.