Home / 2,378,862.54-3,282,833.34-1,291,133.79

Finding the Fourth Proportional to 2,378,862.54, 3,282,833.34 and 1,291,133.79

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Solution

The fourth proportional to 2,378,862.54, 3,282,833.34 and 1,291,133.79 is: 1,781,766.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,862.54 : 3,282,833.34 = 1,291,133.79 : x
  2. Step 2: Convert to fraction form
    2,378,862.54/3,282,833.34 = 1,291,133.79/x
  3. Step 3: Cross multiply
    2,378,862.54x = 3,282,833.34 × 1,291,133.79
  4. Step 4: Simplify right side
    2,378,862.54x = 4,238,577,052,212.56
  5. Step 5: Solve for x
    x = 4,238,577,052,212.56/2,378,862.54
  6. Step 6: Final answer
    x = 1,781,766.28

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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.