Finding the Fourth Proportional to 3,869,245.83, 5,806,201.55 and 1,346,672.55
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Solution
The fourth proportional to 3,869,245.83, 5,806,201.55 and 1,346,672.55 is: 2,020,820.74
Step by Step Solution
- Step 1: Write the proportion equation
3,869,245.83 : 5,806,201.55 = 1,346,672.55 : x - Step 2: Convert to fraction form
3,869,245.83/5,806,201.55 = 1,346,672.55/x - Step 3: Cross multiply
3,869,245.83x = 5,806,201.55 × 1,346,672.55 - Step 4: Simplify right side
3,869,245.83x = 7,819,052,240,419.09 - Step 5: Solve for x
x = 7,819,052,240,419.09/3,869,245.83 - Step 6: Final answer
x = 2,020,820.74
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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.