Finding the Fourth Proportional to 3,921,078.26, 5,410,500.99 and 2,201,866.63
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Solution
The fourth proportional to 3,921,078.26, 5,410,500.99 and 2,201,866.63 is: 3,038,246.32
Step by Step Solution
- Step 1: Write the proportion equation
3,921,078.26 : 5,410,500.99 = 2,201,866.63 : x - Step 2: Convert to fraction form
3,921,078.26/5,410,500.99 = 2,201,866.63/x - Step 3: Cross multiply
3,921,078.26x = 5,410,500.99 × 2,201,866.63 - Step 4: Simplify right side
3,921,078.26x = 11,913,201,581,462.96 - Step 5: Solve for x
x = 11,913,201,581,462.96/3,921,078.26 - Step 6: Final answer
x = 3,038,246.32
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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.