Home / 2,139,107.60-3,208,661.40-1,467,261.20

Finding the Fourth Proportional to 2,139,107.60, 3,208,661.40 and 1,467,261.20

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Solution

The fourth proportional to 2,139,107.60, 3,208,661.40 and 1,467,261.20 is: 2,200,891.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,107.60 : 3,208,661.40 = 1,467,261.20 : x
  2. Step 2: Convert to fraction form
    2,139,107.60/3,208,661.40 = 1,467,261.20/x
  3. Step 3: Cross multiply
    2,139,107.60x = 3,208,661.40 × 1,467,261.20
  4. Step 4: Simplify right side
    2,139,107.60x = 4,707,944,376,157.68
  5. Step 5: Solve for x
    x = 4,707,944,376,157.68/2,139,107.60
  6. Step 6: Final answer
    x = 2,200,891.80

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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.