Finding the Fourth Proportional to 4,427,540.15, 6,107,917.84 and 2,590,871.75
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Solution
The fourth proportional to 4,427,540.15, 6,107,917.84 and 2,590,871.75 is: 3,574,181.43
Step by Step Solution
- Step 1: Write the proportion equation
4,427,540.15 : 6,107,917.84 = 2,590,871.75 : x - Step 2: Convert to fraction form
4,427,540.15/6,107,917.84 = 2,590,871.75/x - Step 3: Cross multiply
4,427,540.15x = 6,107,917.84 × 2,590,871.75 - Step 4: Simplify right side
4,427,540.15x = 15,824,831,804,912.20 - Step 5: Solve for x
x = 15,824,831,804,912.20/4,427,540.15 - Step 6: Final answer
x = 3,574,181.43
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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.