Finding the Fourth Proportional to 4,212,116.56, 6,305,774.50 and 2,609,526.68
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Solution
The fourth proportional to 4,212,116.56, 6,305,774.50 and 2,609,526.68 is: 3,906,607.65
Step by Step Solution
- Step 1: Write the proportion equation
4,212,116.56 : 6,305,774.50 = 2,609,526.68 : x - Step 2: Convert to fraction form
4,212,116.56/6,305,774.50 = 2,609,526.68/x - Step 3: Cross multiply
4,212,116.56x = 6,305,774.50 × 2,609,526.68 - Step 4: Simplify right side
4,212,116.56x = 16,455,086,795,813.66 - Step 5: Solve for x
x = 16,455,086,795,813.66/4,212,116.56 - Step 6: Final answer
x = 3,906,607.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.