Home / 2,600,406.20-3,899,054.10-1,340,694.20

Finding the Fourth Proportional to 2,600,406.20, 3,899,054.10 and 1,340,694.20

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Solution

The fourth proportional to 2,600,406.20, 3,899,054.10 and 1,340,694.20 is: 2,010,239.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,406.20 : 3,899,054.10 = 1,340,694.20 : x
  2. Step 2: Convert to fraction form
    2,600,406.20/3,899,054.10 = 1,340,694.20/x
  3. Step 3: Cross multiply
    2,600,406.20x = 3,899,054.10 × 1,340,694.20
  4. Step 4: Simplify right side
    2,600,406.20x = 5,227,439,217,356.22
  5. Step 5: Solve for x
    x = 5,227,439,217,356.22/2,600,406.20
  6. Step 6: Final answer
    x = 2,010,239.48

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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.