Home / 1,925,440.20-2,890,233.90-1,085,632.20

Finding the Fourth Proportional to 1,925,440.20, 2,890,233.90 and 1,085,632.20

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Solution

The fourth proportional to 1,925,440.20, 2,890,233.90 and 1,085,632.20 is: 1,629,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925,440.20 : 2,890,233.90 = 1,085,632.20 : x
  2. Step 2: Convert to fraction form
    1,925,440.20/2,890,233.90 = 1,085,632.20/x
  3. Step 3: Cross multiply
    1,925,440.20x = 2,890,233.90 × 1,085,632.20
  4. Step 4: Simplify right side
    1,925,440.20x = 3,137,730,987,371.58
  5. Step 5: Solve for x
    x = 3,137,730,987,371.58/1,925,440.20
  6. Step 6: Final answer
    x = 1,629,617.47

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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.