Home / 2,378,836.89-3,282,826.37-1,291,121.51

Finding the Fourth Proportional to 2,378,836.89, 3,282,826.37 and 1,291,121.51

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Solution

The fourth proportional to 2,378,836.89, 3,282,826.37 and 1,291,121.51 is: 1,781,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,836.89 : 3,282,826.37 = 1,291,121.51 : x
  2. Step 2: Convert to fraction form
    2,378,836.89/3,282,826.37 = 1,291,121.51/x
  3. Step 3: Cross multiply
    2,378,836.89x = 3,282,826.37 × 1,291,121.51
  4. Step 4: Simplify right side
    2,378,836.89x = 4,238,527,717,032.48
  5. Step 5: Solve for x
    x = 4,238,527,717,032.48/2,378,836.89
  6. Step 6: Final answer
    x = 1,781,764.75

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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.