Finding the Fourth Proportional to 3,810,347.18, 5,258,086.99 and 2,261,676.44
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Solution
The fourth proportional to 3,810,347.18, 5,258,086.99 and 2,261,676.44 is: 3,120,999.45
Step by Step Solution
- Step 1: Write the proportion equation
3,810,347.18 : 5,258,086.99 = 2,261,676.44 : x - Step 2: Convert to fraction form
3,810,347.18/5,258,086.99 = 2,261,676.44/x - Step 3: Cross multiply
3,810,347.18x = 5,258,086.99 × 2,261,676.44 - Step 4: Simplify right side
3,810,347.18x = 11,892,091,464,753.52 - Step 5: Solve for x
x = 11,892,091,464,753.52/3,810,347.18 - Step 6: Final answer
x = 3,120,999.45
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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.