Finding the Fourth Proportional to 6,659,722.26, 9,190,439.82 and 3,603,935.70
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Solution
The fourth proportional to 6,659,722.26, 9,190,439.82 and 3,603,935.70 is: 4,973,443.77
Step by Step Solution
- Step 1: Write the proportion equation
6,659,722.26 : 9,190,439.82 = 3,603,935.70 : x - Step 2: Convert to fraction form
6,659,722.26/9,190,439.82 = 3,603,935.70/x - Step 3: Cross multiply
6,659,722.26x = 9,190,439.82 × 3,603,935.70 - Step 4: Simplify right side
6,659,722.26x = 33,121,754,165,999.58 - Step 5: Solve for x
x = 33,121,754,165,999.58/6,659,722.26 - Step 6: Final answer
x = 4,973,443.77
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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.