Finding the Fourth Proportional to 4,026,957.09, 5,557,201.68 and 2,216,121.09
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Solution
The fourth proportional to 4,026,957.09, 5,557,201.68 and 2,216,121.09 is: 3,058,247.60
Step by Step Solution
- Step 1: Write the proportion equation
4,026,957.09 : 5,557,201.68 = 2,216,121.09 : x - Step 2: Convert to fraction form
4,026,957.09/5,557,201.68 = 2,216,121.09/x - Step 3: Cross multiply
4,026,957.09x = 5,557,201.68 × 2,216,121.09 - Step 4: Simplify right side
4,026,957.09x = 12,315,431,831,902.38 - Step 5: Solve for x
x = 12,315,431,831,902.38/4,026,957.09 - Step 6: Final answer
x = 3,058,247.60
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1.5x scale
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.