Finding the Fourth Proportional to 6,212,037.12, 8,572,672.32 and 3,458,762.88
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Solution
The fourth proportional to 6,212,037.12, 8,572,672.32 and 3,458,762.88 is: 4,773,126.79
Step by Step Solution
- Step 1: Write the proportion equation
6,212,037.12 : 8,572,672.32 = 3,458,762.88 : x - Step 2: Convert to fraction form
6,212,037.12/8,572,672.32 = 3,458,762.88/x - Step 3: Cross multiply
6,212,037.12x = 8,572,672.32 × 3,458,762.88 - Step 4: Simplify right side
6,212,037.12x = 29,650,840,802,819.48 - Step 5: Solve for x
x = 29,650,840,802,819.48/6,212,037.12 - Step 6: Final answer
x = 4,773,126.79
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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.