Finding the Fourth Proportional to 6,129,744.24, 8,458,734.42 and 3,376,372.40
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Solution
The fourth proportional to 6,129,744.24, 8,458,734.42 and 3,376,372.40 is: 4,659,221.70
Step by Step Solution
- Step 1: Write the proportion equation
6,129,744.24 : 8,458,734.42 = 3,376,372.40 : x - Step 2: Convert to fraction form
6,129,744.24/8,458,734.42 = 3,376,372.40/x - Step 3: Cross multiply
6,129,744.24x = 8,458,734.42 × 3,376,372.40 - Step 4: Simplify right side
6,129,744.24x = 28,559,837,392,324.34 - Step 5: Solve for x
x = 28,559,837,392,324.34/6,129,744.24 - Step 6: Final answer
x = 4,659,221.70
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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.