Finding the Fourth Proportional to 2,491,445.97, 3,438,107.55 and 1,403,945.64
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Solution
The fourth proportional to 2,491,445.97, 3,438,107.55 and 1,403,945.64 is: 1,937,395.46
Step by Step Solution
- Step 1: Write the proportion equation
2,491,445.97 : 3,438,107.55 = 1,403,945.64 : x - Step 2: Convert to fraction form
2,491,445.97/3,438,107.55 = 1,403,945.64/x - Step 3: Cross multiply
2,491,445.97x = 3,438,107.55 × 1,403,945.64 - Step 4: Simplify right side
2,491,445.97x = 4,826,916,104,673.58 - Step 5: Solve for x
x = 4,826,916,104,673.58/2,491,445.97 - Step 6: Final answer
x = 1,937,395.46
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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.