Home / 2,309,938.10-3,187,631-1,263,323.54

Finding the Fourth Proportional to 2,309,938.10, 3,187,631 and 1,263,323.54

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Solution

The fourth proportional to 2,309,938.10, 3,187,631 and 1,263,323.54 is: 1,743,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,309,938.10 : 3,187,631 = 1,263,323.54 : x
  2. Step 2: Convert to fraction form
    2,309,938.10/3,187,631 = 1,263,323.54/x
  3. Step 3: Cross multiply
    2,309,938.10x = 3,187,631 × 1,263,323.54
  4. Step 4: Simplify right side
    2,309,938.10x = 4,027,009,279,133.74
  5. Step 5: Solve for x
    x = 4,027,009,279,133.74/2,309,938.10
  6. Step 6: Final answer
    x = 1,743,340.78

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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.