Finding the Fourth Proportional to 6,659,631.13, 9,190,290.96 and 3,603,845.38
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Solution
The fourth proportional to 6,659,631.13, 9,190,290.96 and 3,603,845.38 is: 4,973,306.62
Step by Step Solution
- Step 1: Write the proportion equation
6,659,631.13 : 9,190,290.96 = 3,603,845.38 : x - Step 2: Convert to fraction form
6,659,631.13/9,190,290.96 = 3,603,845.38/x - Step 3: Cross multiply
6,659,631.13x = 9,190,290.96 × 3,603,845.38 - Step 4: Simplify right side
6,659,631.13x = 33,120,387,617,051.77 - Step 5: Solve for x
x = 33,120,387,617,051.77/6,659,631.13 - Step 6: Final answer
x = 4,973,306.62
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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.