Home / 3,411,785.60-5,115,345.60-1,615,529.60

Finding the Fourth Proportional to 3,411,785.60, 5,115,345.60 and 1,615,529.60

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Solution

The fourth proportional to 3,411,785.60, 5,115,345.60 and 1,615,529.60 is: 2,422,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411,785.60 : 5,115,345.60 = 1,615,529.60 : x
  2. Step 2: Convert to fraction form
    3,411,785.60/5,115,345.60 = 1,615,529.60/x
  3. Step 3: Cross multiply
    3,411,785.60x = 5,115,345.60 × 1,615,529.60
  4. Step 4: Simplify right side
    3,411,785.60x = 8,263,992,231,029.76
  5. Step 5: Solve for x
    x = 8,263,992,231,029.76/3,411,785.60
  6. Step 6: Final answer
    x = 2,422,189.79

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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.