Finding the Fourth Proportional to 4,026,957.05, 5,557,201.65 and 2,216,121.05
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Solution
The fourth proportional to 4,026,957.05, 5,557,201.65 and 2,216,121.05 is: 3,058,247.55
Step by Step Solution
- Step 1: Write the proportion equation
4,026,957.05 : 5,557,201.65 = 2,216,121.05 : x - Step 2: Convert to fraction form
4,026,957.05/5,557,201.65 = 2,216,121.05/x - Step 3: Cross multiply
4,026,957.05x = 5,557,201.65 × 2,216,121.05 - Step 4: Simplify right side
4,026,957.05x = 12,315,431,544,579.12 - Step 5: Solve for x
x = 12,315,431,544,579.12/4,026,957.05 - Step 6: Final answer
x = 3,058,247.55
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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.