Home / 2,884,991.20-4,323,987.60-1,285,856.80

Finding the Fourth Proportional to 2,884,991.20, 4,323,987.60 and 1,285,856.80

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Solution

The fourth proportional to 2,884,991.20, 4,323,987.60 and 1,285,856.80 is: 1,927,225.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884,991.20 : 4,323,987.60 = 1,285,856.80 : x
  2. Step 2: Convert to fraction form
    2,884,991.20/4,323,987.60 = 1,285,856.80/x
  3. Step 3: Cross multiply
    2,884,991.20x = 4,323,987.60 × 1,285,856.80
  4. Step 4: Simplify right side
    2,884,991.20x = 5,560,028,858,575.68
  5. Step 5: Solve for x
    x = 5,560,028,858,575.68/2,884,991.20
  6. Step 6: Final answer
    x = 1,927,225.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.