Home / 3,170,470.30-4,376,027.28-1,947,067.36

Finding the Fourth Proportional to 3,170,470.30, 4,376,027.28 and 1,947,067.36

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Solution

The fourth proportional to 3,170,470.30, 4,376,027.28 and 1,947,067.36 is: 2,687,430.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170,470.30 : 4,376,027.28 = 1,947,067.36 : x
  2. Step 2: Convert to fraction form
    3,170,470.30/4,376,027.28 = 1,947,067.36/x
  3. Step 3: Cross multiply
    3,170,470.30x = 4,376,027.28 × 1,947,067.36
  4. Step 4: Simplify right side
    3,170,470.30x = 8,520,419,883,357.58
  5. Step 5: Solve for x
    x = 8,520,419,883,357.58/3,170,470.30
  6. Step 6: Final answer
    x = 2,687,430.91

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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.