Home / 2,259,454.97-3,118,119.69-1,240,859.72

Finding the Fourth Proportional to 2,259,454.97, 3,118,119.69 and 1,240,859.72

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Solution

The fourth proportional to 2,259,454.97, 3,118,119.69 and 1,240,859.72 is: 1,712,425.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,259,454.97 : 3,118,119.69 = 1,240,859.72 : x
  2. Step 2: Convert to fraction form
    2,259,454.97/3,118,119.69 = 1,240,859.72/x
  3. Step 3: Cross multiply
    2,259,454.97x = 3,118,119.69 × 1,240,859.72
  4. Step 4: Simplify right side
    2,259,454.97x = 3,869,149,125,459.89
  5. Step 5: Solve for x
    x = 3,869,149,125,459.89/2,259,454.97
  6. Step 6: Final answer
    x = 1,712,425.86

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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.