Home / 3,413,904.60-5,121,619.68-1,284,007.20

Finding the Fourth Proportional to 3,413,904.60, 5,121,619.68 and 1,284,007.20

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Solution

The fourth proportional to 3,413,904.60, 5,121,619.68 and 1,284,007.20 is: 1,926,297.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413,904.60 : 5,121,619.68 = 1,284,007.20 : x
  2. Step 2: Convert to fraction form
    3,413,904.60/5,121,619.68 = 1,284,007.20/x
  3. Step 3: Cross multiply
    3,413,904.60x = 5,121,619.68 × 1,284,007.20
  4. Step 4: Simplify right side
    3,413,904.60x = 6,576,196,544,781.70
  5. Step 5: Solve for x
    x = 6,576,196,544,781.70/3,413,904.60
  6. Step 6: Final answer
    x = 1,926,297.69

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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.