Home / 2,276,786.88-3,141,698.40-1,258,130.88

Finding the Fourth Proportional to 2,276,786.88, 3,141,698.40 and 1,258,130.88

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Solution

The fourth proportional to 2,276,786.88, 3,141,698.40 and 1,258,130.88 is: 1,736,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276,786.88 : 3,141,698.40 = 1,258,130.88 : x
  2. Step 2: Convert to fraction form
    2,276,786.88/3,141,698.40 = 1,258,130.88/x
  3. Step 3: Cross multiply
    2,276,786.88x = 3,141,698.40 × 1,258,130.88
  4. Step 4: Simplify right side
    2,276,786.88x = 3,952,667,772,686.59
  5. Step 5: Solve for x
    x = 3,952,667,772,686.59/2,276,786.88
  6. Step 6: Final answer
    x = 1,736,072.80

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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.