Finding the Fourth Proportional to 7,380,559.27, 11,070,091.42 and 1,989,754.63
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Solution
The fourth proportional to 7,380,559.27, 11,070,091.42 and 1,989,754.63 is: 2,984,430.42
Step by Step Solution
- Step 1: Write the proportion equation
7,380,559.27 : 11,070,091.42 = 1,989,754.63 : x - Step 2: Convert to fraction form
7,380,559.27/11,070,091.42 = 1,989,754.63/x - Step 3: Cross multiply
7,380,559.27x = 11,070,091.42 × 1,989,754.63 - Step 4: Simplify right side
7,380,559.27x = 22,026,765,638,808.62 - Step 5: Solve for x
x = 22,026,765,638,808.62/7,380,559.27 - Step 6: Final answer
x = 2,984,430.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.