Home / 2,190,125.40-3,285,149.22-1,124,541.24

Finding the Fourth Proportional to 2,190,125.40, 3,285,149.22 and 1,124,541.24

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Solution

The fourth proportional to 2,190,125.40, 3,285,149.22 and 1,124,541.24 is: 1,686,791.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,125.40 : 3,285,149.22 = 1,124,541.24 : x
  2. Step 2: Convert to fraction form
    2,190,125.40/3,285,149.22 = 1,124,541.24/x
  3. Step 3: Cross multiply
    2,190,125.40x = 3,285,149.22 × 1,124,541.24
  4. Step 4: Simplify right side
    2,190,125.40x = 3,694,285,777,443.83
  5. Step 5: Solve for x
    x = 3,694,285,777,443.83/2,190,125.40
  6. Step 6: Final answer
    x = 1,686,791.90

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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.