Home / 2,122,732.98-2,929,293.72-1,155,839.22

Finding the Fourth Proportional to 2,122,732.98, 2,929,293.72 and 1,155,839.22

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Solution

The fourth proportional to 2,122,732.98, 2,929,293.72 and 1,155,839.22 is: 1,595,015.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,732.98 : 2,929,293.72 = 1,155,839.22 : x
  2. Step 2: Convert to fraction form
    2,122,732.98/2,929,293.72 = 1,155,839.22/x
  3. Step 3: Cross multiply
    2,122,732.98x = 2,929,293.72 × 1,155,839.22
  4. Step 4: Simplify right side
    2,122,732.98x = 3,385,792,568,475.70
  5. Step 5: Solve for x
    x = 3,385,792,568,475.70/2,122,732.98
  6. Step 6: Final answer
    x = 1,595,015.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.