Finding the Fourth Proportional to 2,491,571.37, 3,438,327.36 and 1,403,954.40
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Solution
The fourth proportional to 2,491,571.37, 3,438,327.36 and 1,403,954.40 is: 1,937,433.90
Step by Step Solution
- Step 1: Write the proportion equation
2,491,571.37 : 3,438,327.36 = 1,403,954.40 : x - Step 2: Convert to fraction form
2,491,571.37/3,438,327.36 = 1,403,954.40/x - Step 3: Cross multiply
2,491,571.37x = 3,438,327.36 × 1,403,954.40 - Step 4: Simplify right side
2,491,571.37x = 4,827,254,825,712.38 - Step 5: Solve for x
x = 4,827,254,825,712.38/2,491,571.37 - Step 6: Final answer
x = 1,937,433.90
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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.