Finding the Fourth Proportional to 6,659,704.32, 9,190,391.67 and 3,603,918.66
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Solution
The fourth proportional to 6,659,704.32, 9,190,391.67 and 3,603,918.66 is: 4,973,407.59
Step by Step Solution
- Step 1: Write the proportion equation
6,659,704.32 : 9,190,391.67 = 3,603,918.66 : x - Step 2: Convert to fraction form
6,659,704.32/9,190,391.67 = 3,603,918.66/x - Step 3: Cross multiply
6,659,704.32x = 9,190,391.67 × 3,603,918.66 - Step 4: Simplify right side
6,659,704.32x = 33,121,424,032,221.56 - Step 5: Solve for x
x = 33,121,424,032,221.56/6,659,704.32 - Step 6: Final answer
x = 4,973,407.59
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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.