Home / 2,139,140.32-3,206,551.22-1,340,982.52

Finding the Fourth Proportional to 2,139,140.32, 3,206,551.22 and 1,340,982.52

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Solution

The fourth proportional to 2,139,140.32, 3,206,551.22 and 1,340,982.52 is: 2,010,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,140.32 : 3,206,551.22 = 1,340,982.52 : x
  2. Step 2: Convert to fraction form
    2,139,140.32/3,206,551.22 = 1,340,982.52/x
  3. Step 3: Cross multiply
    2,139,140.32x = 3,206,551.22 × 1,340,982.52
  4. Step 4: Simplify right side
    2,139,140.32x = 4,299,929,135,504.68
  5. Step 5: Solve for x
    x = 4,299,929,135,504.68/2,139,140.32
  6. Step 6: Final answer
    x = 2,010,120.18

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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.