Home / 2,139,028.32-3,206,382.21-1,340,869.32

Finding the Fourth Proportional to 2,139,028.32, 3,206,382.21 and 1,340,869.32

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Solution

The fourth proportional to 2,139,028.32, 3,206,382.21 and 1,340,869.32 is: 2,009,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,028.32 : 3,206,382.21 = 1,340,869.32 : x
  2. Step 2: Convert to fraction form
    2,139,028.32/3,206,382.21 = 1,340,869.32/x
  3. Step 3: Cross multiply
    2,139,028.32x = 3,206,382.21 × 1,340,869.32
  4. Step 4: Simplify right side
    2,139,028.32x = 4,299,339,533,582.80
  5. Step 5: Solve for x
    x = 4,299,339,533,582.80/2,139,028.32
  6. Step 6: Final answer
    x = 2,009,949.80

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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.