Finding the Fourth Proportional to 7,219,596.22, 9,962,757.30 and 4,317,257.68
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Solution
The fourth proportional to 7,219,596.22, 9,962,757.30 and 4,317,257.68 is: 5,957,644.88
Step by Step Solution
- Step 1: Write the proportion equation
7,219,596.22 : 9,962,757.30 = 4,317,257.68 : x - Step 2: Convert to fraction form
7,219,596.22/9,962,757.30 = 4,317,257.68/x - Step 3: Cross multiply
7,219,596.22x = 9,962,757.30 × 4,317,257.68 - Step 4: Simplify right side
7,219,596.22x = 43,011,790,458,683.89 - Step 5: Solve for x
x = 43,011,790,458,683.89/7,219,596.22 - Step 6: Final answer
x = 5,957,644.88
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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.