Home / 3,457,067.40-4,770,276.30-1,928,878.20

Finding the Fourth Proportional to 3,457,067.40, 4,770,276.30 and 1,928,878.20

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Solution

The fourth proportional to 3,457,067.40, 4,770,276.30 and 1,928,878.20 is: 2,661,585.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457,067.40 : 4,770,276.30 = 1,928,878.20 : x
  2. Step 2: Convert to fraction form
    3,457,067.40/4,770,276.30 = 1,928,878.20/x
  3. Step 3: Cross multiply
    3,457,067.40x = 4,770,276.30 × 1,928,878.20
  4. Step 4: Simplify right side
    3,457,067.40x = 9,201,281,963,046.66
  5. Step 5: Solve for x
    x = 9,201,281,963,046.66/3,457,067.40
  6. Step 6: Final answer
    x = 2,661,585.93

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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.