Home / 2,561,235.12-3,534,555.15-1,399,753.31

Finding the Fourth Proportional to 2,561,235.12, 3,534,555.15 and 1,399,753.31

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Solution

The fourth proportional to 2,561,235.12, 3,534,555.15 and 1,399,753.31 is: 1,931,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,561,235.12 : 3,534,555.15 = 1,399,753.31 : x
  2. Step 2: Convert to fraction form
    2,561,235.12/3,534,555.15 = 1,399,753.31/x
  3. Step 3: Cross multiply
    2,561,235.12x = 3,534,555.15 × 1,399,753.31
  4. Step 4: Simplify right side
    2,561,235.12x = 4,947,505,252,917.27
  5. Step 5: Solve for x
    x = 4,947,505,252,917.27/2,561,235.12
  6. Step 6: Final answer
    x = 1,931,687.26

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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.