Finding the Fourth Proportional to 4,026,091.79, 5,555,840.37 and 2,190,557.42
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Solution
The fourth proportional to 4,026,091.79, 5,555,840.37 and 2,190,557.42 is: 3,022,878.76
Step by Step Solution
- Step 1: Write the proportion equation
4,026,091.79 : 5,555,840.37 = 2,190,557.42 : x - Step 2: Convert to fraction form
4,026,091.79/5,555,840.37 = 2,190,557.42/x - Step 3: Cross multiply
4,026,091.79x = 5,555,840.37 × 2,190,557.42 - Step 4: Simplify right side
4,026,091.79x = 12,170,387,344,001.10 - Step 5: Solve for x
x = 12,170,387,344,001.10/4,026,091.79 - Step 6: Final answer
x = 3,022,878.76
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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.