Finding the Fourth Proportional to 2,787,447.96, 4,181,163.73 and 765,693.95
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Solution
The fourth proportional to 2,787,447.96, 4,181,163.73 and 765,693.95 is: 1,148,538.66
Step by Step Solution
- Step 1: Write the proportion equation
2,787,447.96 : 4,181,163.73 = 765,693.95 : x - Step 2: Convert to fraction form
2,787,447.96/4,181,163.73 = 765,693.95/x - Step 3: Cross multiply
2,787,447.96x = 4,181,163.73 × 765,693.95 - Step 4: Simplify right side
2,787,447.96x = 3,201,491,749,200.38 - Step 5: Solve for x
x = 3,201,491,749,200.38/2,787,447.96 - Step 6: Final answer
x = 1,148,538.66
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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.