Home / 3,512,421.69-5,268,993.95-1,325,833.09

Finding the Fourth Proportional to 3,512,421.69, 5,268,993.95 and 1,325,833.09

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Solution

The fourth proportional to 3,512,421.69, 5,268,993.95 and 1,325,833.09 is: 1,988,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512,421.69 : 5,268,993.95 = 1,325,833.09 : x
  2. Step 2: Convert to fraction form
    3,512,421.69/5,268,993.95 = 1,325,833.09/x
  3. Step 3: Cross multiply
    3,512,421.69x = 5,268,993.95 × 1,325,833.09
  4. Step 4: Simplify right side
    3,512,421.69x = 6,985,806,529,919.81
  5. Step 5: Solve for x
    x = 6,985,806,529,919.81/3,512,421.69
  6. Step 6: Final answer
    x = 1,988,886.06

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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.