Home / 3,540,718.07-5,309,775.84-1,265,628.54

Finding the Fourth Proportional to 3,540,718.07, 5,309,775.84 and 1,265,628.54

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Solution

The fourth proportional to 3,540,718.07, 5,309,775.84 and 1,265,628.54 is: 1,897,977.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,540,718.07 : 5,309,775.84 = 1,265,628.54 : x
  2. Step 2: Convert to fraction form
    3,540,718.07/5,309,775.84 = 1,265,628.54/x
  3. Step 3: Cross multiply
    3,540,718.07x = 5,309,775.84 × 1,265,628.54
  4. Step 4: Simplify right side
    3,540,718.07x = 6,720,203,861,645.08
  5. Step 5: Solve for x
    x = 6,720,203,861,645.08/3,540,718.07
  6. Step 6: Final answer
    x = 1,897,977.68

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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.