Finding the Fourth Proportional to 3,998,282.58, 5,511,890.70 and 2,850,370.02
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Solution
The fourth proportional to 3,998,282.58, 5,511,890.70 and 2,850,370.02 is: 3,929,419.12
Step by Step Solution
- Step 1: Write the proportion equation
3,998,282.58 : 5,511,890.70 = 2,850,370.02 : x - Step 2: Convert to fraction form
3,998,282.58/5,511,890.70 = 2,850,370.02/x - Step 3: Cross multiply
3,998,282.58x = 5,511,890.70 × 2,850,370.02 - Step 4: Simplify right side
3,998,282.58x = 15,710,928,004,796.81 - Step 5: Solve for x
x = 15,710,928,004,796.81/3,998,282.58 - Step 6: Final answer
x = 3,929,419.12
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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.